#include "ImGuiWrapper.hpp"
#include <cstdio>
#include <vector>
#include <cmath>
#include <stdexcept>
#include <boost/format.hpp>
#include <boost/log/trivial.hpp>
#include <boost/filesystem.hpp>
#include <boost/algorithm/string/predicate.hpp>
#include <boost/nowide/convert.hpp>
#include <wx/string.h>
#include <wx/event.h>
#include <wx/clipbrd.h>
#include <wx/debug.h>
#include <GL/glew.h>
#ifndef IMGUI_DEFINE_MATH_OPERATORS
#define IMGUI_DEFINE_MATH_OPERATORS
#endif
#include <imgui/imgui_internal.h>
#include "libslic3r/libslic3r.h"
#include "libslic3r/Utils.hpp"
#include "libslic3r/Color.hpp"
#include "3DScene.hpp"
#include "GUI.hpp"
#include "I18N.hpp"
#include "Search.hpp"
#include "BitmapCache.hpp"
#include "GUI_App.hpp"
#include "../Utils/MacDarkMode.hpp"
#include <nanosvg/nanosvg.h>
#include <nanosvg/nanosvgrast.h>
// suggest location
#include "libslic3r/ClipperUtils.hpp" // Slic3r::intersection
namespace Slic3r {
namespace GUI {
static const std::map<const wchar_t, std::string> font_icons = {
{ImGui::PrintIconMarker , "cog" },
{ImGui::PrinterIconMarker , "printer" },
{ImGui::PrinterSlaIconMarker , "sla_printer" },
{ImGui::FilamentIconMarker , "spool" },
{ImGui::MaterialIconMarker , "resin" },
{ImGui::MinimalizeButton , "notification_minimalize" },
{ImGui::MinimalizeHoverButton , "notification_minimalize_hover" },
{ImGui::RightArrowButton , "notification_right" },
{ImGui::RightArrowHoverButton , "notification_right_hover" },
{ImGui::PreferencesButton , "notification_preferences" },
{ImGui::PreferencesHoverButton, "notification_preferences_hover"},
{ImGui::SliderFloatEditBtnIcon, "edit_button" },
{ImGui::SliderFloatEditBtnPressedIcon, "edit_button_pressed" },
{ImGui::ClipboardBtnIcon , "copy_menu" },
{ImGui::ExpandBtn , "expand_btn" },
{ImGui::CollapseBtn , "collapse_btn" },
{ImGui::RevertButton , "undo" },
{ImGui::WarningMarkerSmall , "notification_warning" },
{ImGui::InfoMarkerSmall , "notification_info" },
};
static const std::map<const wchar_t, std::string> font_icons_large = {
{ImGui::LegendTravel , "legend_travel" },
{ImGui::LegendWipe , "legend_wipe" },
{ImGui::LegendRetract , "legend_retract" },
{ImGui::LegendDeretract , "legend_deretract" },
{ImGui::LegendSeams , "legend_seams" },
{ImGui::LegendToolChanges , "legend_toolchanges" },
{ImGui::LegendColorChanges , "legend_colorchanges" },
{ImGui::LegendPausePrints , "legend_pauseprints" },
{ImGui::LegendCustomGCodes , "legend_customgcodes" },
{ImGui::LegendCOG , "legend_cog" },
{ImGui::LegendShells , "legend_shells" },
{ImGui::LegendToolMarker , "legend_toolmarker" },
{ImGui::CloseNotifButton , "notification_close" },
{ImGui::CloseNotifHoverButton , "notification_close_hover" },
{ImGui::EjectButton , "notification_eject_sd" },
{ImGui::EjectHoverButton , "notification_eject_sd_hover" },
{ImGui::WarningMarker , "notification_warning" },
{ImGui::ErrorMarker , "notification_error" },
{ImGui::CancelButton , "notification_cancel" },
{ImGui::CancelHoverButton , "notification_cancel_hover" },
// {ImGui::SinkingObjectMarker , "move" },
// {ImGui::CustomSupportsMarker , "fdm_supports" },
// {ImGui::CustomSeamMarker , "seam" },
// {ImGui::MmuSegmentationMarker , "mmu_segmentation" },
// {ImGui::VarLayerHeightMarker , "layers" },
{ImGui::DocumentationButton , "notification_documentation" },
{ImGui::DocumentationHoverButton, "notification_documentation_hover"},
{ImGui::InfoMarker , "notification_info" },
};
static const std::map<const wchar_t, std::string> font_icons_extra_large = {
{ImGui::ClippyMarker , "notification_clippy" },
};
const ImVec4 ImGuiWrapper::COL_GREY_DARK = { 0.33f, 0.33f, 0.33f, 1.0f };
const ImVec4 ImGuiWrapper::COL_GREY_LIGHT = { 0.4f, 0.4f, 0.4f, 1.0f };
const ImVec4 ImGuiWrapper::COL_ORANGE_DARK = { 0.67f, 0.36f, 0.19f, 1.0f };
const ImVec4 ImGuiWrapper::COL_ORANGE_LIGHT = to_ImVec4(ColorRGBA::ORANGE());
const ImVec4 ImGuiWrapper::COL_WINDOW_BACKGROUND = { 0.13f, 0.13f, 0.13f, 0.8f };
const ImVec4 ImGuiWrapper::COL_BUTTON_BACKGROUND = COL_ORANGE_DARK;
const ImVec4 ImGuiWrapper::COL_BUTTON_HOVERED = COL_ORANGE_LIGHT;
const ImVec4 ImGuiWrapper::COL_BUTTON_ACTIVE = COL_BUTTON_HOVERED;
ImGuiWrapper::ImGuiWrapper()
{
ImGui::CreateContext();
init_input();
init_style();
ImGui::GetIO().IniFilename = nullptr;
}
ImGuiWrapper::~ImGuiWrapper()
{
destroy_font();
ImGui::DestroyContext();
}
void ImGuiWrapper::set_language(const std::string &language)
{
if (m_new_frame_open) {
// ImGUI internally locks the font between NewFrame() and EndFrame()
// NewFrame() might've been called here because of input from the 3D scene;
// call EndFrame()
ImGui::EndFrame();
m_new_frame_open = false;
}
const ImWchar *ranges = nullptr;
size_t idx = language.find('_');
std::string lang = (idx == std::string::npos) ? language : language.substr(0, idx);
static const ImWchar ranges_latin2[] =
{
0x0020, 0x00FF, // Basic Latin + Latin Supplement
0x0100, 0x017F, // Latin Extended-A
0,
};
static const ImWchar ranges_turkish[] = {
0x0020, 0x01FF, // Basic Latin + Latin Supplement
0x0100, 0x017F, // Latin Extended-A
0x0180, 0x01FF, // Turkish
0,
};
static const ImWchar ranges_vietnamese[] =
{
0x0020, 0x00FF, // Basic Latin
0x0102, 0x0103,
0x0110, 0x0111,
0x0128, 0x0129,
0x0168, 0x0169,
0x01A0, 0x01A1,
0x01AF, 0x01B0,
0x1EA0, 0x1EF9,
0,
};
m_font_cjk = false;
if (lang == "cs" || lang == "pl" || lang == "hu") {
ranges = ranges_latin2;
} else if (lang == "ru" || lang == "uk") {
ranges = ImGui::GetIO().Fonts->GetGlyphRangesCyrillic(); // Default + about 400 Cyrillic characters
} else if (lang == "tr") {
ranges = ranges_turkish;
} else if (lang == "vi") {
ranges = ranges_vietnamese;
} else if (lang == "ja") {
ranges = ImGui::GetIO().Fonts->GetGlyphRangesJapanese(); // Default + Hiragana, Katakana, Half-Width, Selection of 1946 Ideographs
m_font_cjk = true;
} else if (lang == "ko") {
ranges = ImGui::GetIO().Fonts->GetGlyphRangesKorean(); // Default + Korean characters
m_font_cjk = true;
} else if (lang == "zh") {
ranges = (language == "zh_TW") ?
// Traditional Chinese
// Default + Half-Width + Japanese Hiragana/Katakana + full set of about 21000 CJK Unified Ideographs
ImGui::GetIO().Fonts->GetGlyphRangesChineseFull() :
// Simplified Chinese
// Default + Half-Width + Japanese Hiragana/Katakana + set of 2500 CJK Unified Ideographs for common simplified Chinese
ImGui::GetIO().Fonts->GetGlyphRangesChineseSimplifiedCommon();
m_font_cjk = true;
} else if (lang == "th") {
ranges = ImGui::GetIO().Fonts->GetGlyphRangesThai(); // Default + Thai characters
} else {
ranges = ImGui::GetIO().Fonts->GetGlyphRangesDefault(); // Basic Latin, Extended Latin
}
if (ranges != m_glyph_ranges) {
m_glyph_ranges = ranges;
destroy_font();
}
}
void ImGuiWrapper::set_display_size(float w, float h)
{
ImGuiIO& io = ImGui::GetIO();
io.DisplaySize = ImVec2(w, h);
io.DisplayFramebufferScale = ImVec2(1.0f, 1.0f);
}
void ImGuiWrapper::set_scaling(float font_size, float scale_style, float scale_both)
{
font_size *= scale_both;
scale_style *= scale_both;
if (m_font_size == font_size && m_style_scaling == scale_style) {
return;
}
m_font_size = font_size;
ImGui::GetStyle().ScaleAllSizes(scale_style / m_style_scaling);
m_style_scaling = scale_style;
destroy_font();
}
bool ImGuiWrapper::update_mouse_data(wxMouseEvent& evt)
{
if (! display_initialized()) {
return false;
}
ImGuiIO& io = ImGui::GetIO();
io.MousePos = ImVec2((float)evt.GetX(), (float)evt.GetY());
io.MouseDown[0] = evt.LeftIsDown();
io.MouseDown[1] = evt.RightIsDown();
io.MouseDown[2] = evt.MiddleIsDown();
io.MouseDoubleClicked[0] = evt.LeftDClick();
io.MouseDoubleClicked[1] = evt.RightDClick();
io.MouseDoubleClicked[2] = evt.MiddleDClick();
float wheel_delta = static_cast<float>(evt.GetWheelDelta());
if (wheel_delta != 0.0f)
io.MouseWheel = static_cast<float>(evt.GetWheelRotation()) / wheel_delta;
unsigned buttons = (evt.LeftIsDown() ? 1 : 0) | (evt.RightIsDown() ? 2 : 0) | (evt.MiddleIsDown() ? 4 : 0);
m_mouse_buttons = buttons;
if (want_mouse())
new_frame();
return want_mouse();
}
bool ImGuiWrapper::update_key_data(wxKeyEvent &evt)
{
if (! display_initialized()) {
return false;
}
ImGuiIO& io = ImGui::GetIO();
if (evt.GetEventType() == wxEVT_CHAR) {
// Char event
const auto key = evt.GetUnicodeKey();
if (key != 0) {
io.AddInputCharacter(key);
}
} else {
// Key up/down event
int key = evt.GetKeyCode();
wxCHECK_MSG(key >= 0 && key < IM_ARRAYSIZE(io.KeysDown), false, "Received invalid key code");
io.KeysDown[key] = evt.GetEventType() == wxEVT_KEY_DOWN;
io.KeyShift = evt.ShiftDown();
io.KeyCtrl = evt.ControlDown();
io.KeyAlt = evt.AltDown();
io.KeySuper = evt.MetaDown();
}
bool ret = want_keyboard() || want_text_input();
if (ret)
new_frame();
return ret;
}
void ImGuiWrapper::new_frame()
{
if (m_new_frame_open) {
return;
}
if (m_font_texture == 0) {
init_font(true);
}
ImGui::NewFrame();
m_new_frame_open = true;
}
void ImGuiWrapper::render()
{
ImGui::Render();
render_draw_data(ImGui::GetDrawData());
m_new_frame_open = false;
}
ImVec2 ImGuiWrapper::calc_text_size(std::string_view text,
bool hide_text_after_double_hash,
float wrap_width)
{
return ImGui::CalcTextSize(text.data(), text.data() + text.length(),
hide_text_after_double_hash, wrap_width);
}
ImVec2 ImGuiWrapper::calc_text_size(const std::string& text,
bool hide_text_after_double_hash,
float wrap_width)
{
return ImGui::CalcTextSize(text.c_str(), NULL, hide_text_after_double_hash, wrap_width);
}
ImVec2 ImGuiWrapper::calc_text_size(const wxString &text,
bool hide_text_after_double_hash,
float wrap_width)
{
auto text_utf8 = into_u8(text);
ImVec2 size = ImGui::CalcTextSize(text_utf8.c_str(), NULL, hide_text_after_double_hash, wrap_width);
/*#ifdef __linux__
size.x *= m_style_scaling;
size.y *= m_style_scaling;
#endif*/
return size;
}
ImVec2 ImGuiWrapper::calc_button_size(const wxString &text, const ImVec2 &button_size) const
{
const ImVec2 text_size = this->calc_text_size(text);
const ImGuiContext &g = *GImGui;
const ImGuiStyle &style = g.Style;
return ImGui::CalcItemSize(button_size, text_size.x + style.FramePadding.x * 2.0f, text_size.y + style.FramePadding.y * 2.0f);
}
ImVec2 ImGuiWrapper::get_item_spacing() const
{
const ImGuiContext &g = *GImGui;
const ImGuiStyle &style = g.Style;
return style.ItemSpacing;
}
float ImGuiWrapper::get_slider_float_height() const
{
const ImGuiContext& g = *GImGui;
const ImGuiStyle& style = g.Style;
return g.FontSize + style.FramePadding.y * 2.0f + style.ItemSpacing.y;
}
void ImGuiWrapper::set_next_window_pos(float x, float y, int flag, float pivot_x, float pivot_y)
{
ImGui::SetNextWindowPos(ImVec2(x, y), (ImGuiCond)flag, ImVec2(pivot_x, pivot_y));
ImGui::SetNextWindowSize(ImVec2(0.0, 0.0));
}
void ImGuiWrapper::set_next_window_bg_alpha(float alpha)
{
ImGui::SetNextWindowBgAlpha(alpha);
}
void ImGuiWrapper::set_next_window_size(float x, float y, ImGuiCond cond)
{
ImGui::SetNextWindowSize(ImVec2(x, y), cond);
}
bool ImGuiWrapper::begin(const std::string &name, int flags)
{
return ImGui::Begin(name.c_str(), nullptr, (ImGuiWindowFlags)flags);
}
bool ImGuiWrapper::begin(const wxString &name, int flags)
{
return begin(into_u8(name), flags);
}
bool ImGuiWrapper::begin(const std::string& name, bool* close, int flags)
{
return ImGui::Begin(name.c_str(), close, (ImGuiWindowFlags)flags);
}
bool ImGuiWrapper::begin(const wxString& name, bool* close, int flags)
{
return begin(into_u8(name), close, flags);
}
void ImGuiWrapper::end()
{
ImGui::End();
}
bool ImGuiWrapper::button(const wxString &label)
{
auto label_utf8 = into_u8(label);
return ImGui::Button(label_utf8.c_str());
}
bool ImGuiWrapper::button(const wxString& label, float width, float height)
{
auto label_utf8 = into_u8(label);
return ImGui::Button(label_utf8.c_str(), ImVec2(width, height));
}
bool ImGuiWrapper::button(const wxString& label, const ImVec2 &size, bool enable)
{
disabled_begin(!enable);
auto label_utf8 = into_u8(label);
bool res = ImGui::Button(label_utf8.c_str(), size);
disabled_end();
return (enable) ? res : false;
}
bool ImGuiWrapper::radio_button(const wxString &label, bool active)
{
auto label_utf8 = into_u8(label);
return ImGui::RadioButton(label_utf8.c_str(), active);
}
bool ImGuiWrapper::draw_radio_button(const std::string& name, float size, bool active,
std::function<void(ImGuiWindow& window, const ImVec2& pos, float size)> draw_callback)
{
ImGuiWindow& window = *ImGui::GetCurrentWindow();
if (window.SkipItems)
return false;
ImGuiContext& g = *GImGui;
const ImGuiStyle& style = g.Style;
const ImGuiID id = window.GetID(name.c_str());
const ImVec2 pos = window.DC.CursorPos;
const ImRect total_bb(pos, pos + ImVec2(size, size + style.FramePadding.y * 2.0f));
ImGui::ItemSize(total_bb, style.FramePadding.y);
if (!ImGui::ItemAdd(total_bb, id))
return false;
bool hovered, held;
bool pressed = ImGui::ButtonBehavior(total_bb, id, &hovered, &held);
if (pressed)
ImGui::MarkItemEdited(id);
if (hovered)
window.DrawList->AddRect({ pos.x - 1.0f, pos.y - 1.0f }, { pos.x + size + 1.0f, pos.y + size + 1.0f }, ImGui::GetColorU32(ImGuiCol_CheckMark));
if (active)
window.DrawList->AddRect(pos, { pos.x + size, pos.y + size }, ImGui::GetColorU32(ImGuiCol_CheckMark));
draw_callback(window, pos, size);
IMGUI_TEST_ENGINE_ITEM_INFO(id, label, window.DC.LastItemStatusFlags);
return pressed;
}
bool ImGuiWrapper::checkbox(const wxString &label, bool &value)
{
auto label_utf8 = into_u8(label);
return ImGui::Checkbox(label_utf8.c_str(), &value);
}
void ImGuiWrapper::text(const char *label)
{
ImGui::Text("%s", label);
}
void ImGuiWrapper::text(const std::string &label)
{
ImGuiWrapper::text(label.c_str());
}
void ImGuiWrapper::text(const wxString &label)
{
auto label_utf8 = into_u8(label);
ImGuiWrapper::text(label_utf8.c_str());
}
void ImGuiWrapper::text_colored(const ImVec4& color, const char* label)
{
ImGui::TextColored(color, "%s", label);
}
void ImGuiWrapper::text_colored(const ImVec4& color, const std::string& label)
{
ImGuiWrapper::text_colored(color, label.c_str());
}
void ImGuiWrapper::text_colored(const ImVec4& color, const wxString& label)
{
auto label_utf8 = into_u8(label);
ImGuiWrapper::text_colored(color, label_utf8.c_str());
}
void ImGuiWrapper::text_wrapped(const char *label, float wrap_width)
{
ImGui::PushTextWrapPos(ImGui::GetCursorPos().x + wrap_width);
this->text(label);
ImGui::PopTextWrapPos();
}
void ImGuiWrapper::text_wrapped(const std::string &label, float wrap_width)
{
this->text_wrapped(label.c_str(), wrap_width);
}
void ImGuiWrapper::text_wrapped(const wxString &label, float wrap_width)
{
auto label_utf8 = into_u8(label);
this->text_wrapped(label_utf8.c_str(), wrap_width);
}
void ImGuiWrapper::tooltip(const char *label, float wrap_width)
{
ImGui::PushStyleVar(ImGuiStyleVar_WindowBorderSize, 4.0f);
ImGui::PushStyleVar(ImGuiStyleVar_WindowRounding, 4.0f);
ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, { 8.0f, 8.0f });
ImGui::BeginTooltip();
ImGui::PushTextWrapPos(wrap_width);
ImGui::TextUnformatted(label);
ImGui::PopTextWrapPos();
ImGui::EndTooltip();
ImGui::PopStyleVar(3);
}
void ImGuiWrapper::tooltip(const wxString &label, float wrap_width)
{
tooltip(label.ToUTF8().data(), wrap_width);
}
ImVec2 ImGuiWrapper::get_slider_icon_size() const
{
return this->calc_button_size(std::wstring(&ImGui::SliderFloatEditBtnIcon, 1));
}
bool ImGuiWrapper::slider_float(const char* label, float* v, float v_min, float v_max, const char* format/* = "%.3f"*/, float power/* = 1.0f*/, bool clamp /*= true*/, const wxString& tooltip /*= ""*/, bool show_edit_btn /*= true*/)
{
const float max_tooltip_width = ImGui::GetFontSize() * 20.0f;
// let the label string start with "##" to hide the automatic label from ImGui::SliderFloat()
bool label_visible = !boost::algorithm::starts_with(label, "##");
std::string str_label = label_visible ? std::string("##") + std::string(label) : std::string(label);
// removes 2nd evenience of "##", if present
std::string::size_type pos = str_label.find("##", 2);
if (pos != std::string::npos)
str_label = str_label.substr(0, pos) + str_label.substr(pos + 2);
// the current slider edit state needs to be detected here before calling SliderFloat()
bool slider_editing = ImGui::GetCurrentWindow()->GetID(str_label.c_str()) == ImGui::GetActiveID();
bool ret = ImGui::SliderFloat(str_label.c_str(), v, v_min, v_max, format, power);
m_last_slider_status.hovered = ImGui::IsItemHovered();
m_last_slider_status.edited = ImGui::IsItemEdited();
m_last_slider_status.clicked = ImGui::IsItemClicked();
m_last_slider_status.deactivated_after_edit = ImGui::IsItemDeactivatedAfterEdit();
if (!tooltip.empty() && ImGui::IsItemHovered())
this->tooltip(into_u8(tooltip).c_str(), max_tooltip_width);
if (clamp)
*v = std::clamp(*v, v_min, v_max);
const ImGuiStyle& style = ImGui::GetStyle();
if (show_edit_btn) {
ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, { 1, style.ItemSpacing.y });
ImGui::SameLine();
ImGuiIO& io = ImGui::GetIO();
assert(io.Fonts->TexWidth > 0 && io.Fonts->TexHeight > 0);
float inv_tex_w = 1.0f / float(io.Fonts->TexWidth);
float inv_tex_h = 1.0f / float(io.Fonts->TexHeight);
const ImFontAtlasCustomRect* const rect = GetTextureCustomRect(slider_editing ? ImGui::SliderFloatEditBtnPressedIcon : ImGui::SliderFloatEditBtnIcon);
const ImVec2 size = { float(rect->Width), float(rect->Height) };
const ImVec2 uv0 = ImVec2(float(rect->X) * inv_tex_w, float(rect->Y) * inv_tex_h);
const ImVec2 uv1 = ImVec2(float(rect->X + rect->Width) * inv_tex_w, float(rect->Y + rect->Height) * inv_tex_h);
ImGui::PushStyleColor(ImGuiCol_Button, { 0.25f, 0.25f, 0.25f, 0.0f });
ImGui::PushStyleColor(ImGuiCol_ButtonHovered, { 0.4f, 0.4f, 0.4f, 1.0f });
ImGui::PushStyleColor(ImGuiCol_ButtonActive, { 0.4f, 0.4f, 0.4f, 1.0f });
const ImTextureID tex_id = io.Fonts->TexID;
if (image_button(tex_id, size, uv0, uv1, -1, ImVec4(0.0, 0.0, 0.0, 0.0), ImVec4(1.0, 1.0, 1.0, 1.0), ImGuiButtonFlags_PressedOnClick)) {
if (!slider_editing)
ImGui::SetKeyboardFocusHere(-1);
else
ImGui::ClearActiveID();
this->set_requires_extra_frame();
}
ImGui::PopStyleColor(3);
if (ImGui::IsItemHovered())
this->tooltip(into_u8(_L("Edit")).c_str(), max_tooltip_width);
ImGui::PopStyleVar();
}
if (label_visible) {
// if the label is visible, hide the part of it that should be hidden
std::string out_label = std::string(label);
std::string::size_type pos = out_label.find("##");
if (pos != std::string::npos)
out_label = out_label.substr(0, pos);
ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, { 1, style.ItemSpacing.y });
ImGui::SameLine();
this->text(out_label.c_str());
ImGui::PopStyleVar();
}
return ret;
}
bool ImGuiWrapper::slider_float(const std::string& label, float* v, float v_min, float v_max, const char* format/* = "%.3f"*/, float power/* = 1.0f*/, bool clamp /*= true*/, const wxString& tooltip /*= ""*/, bool show_edit_btn /*= true*/)
{
return this->slider_float(label.c_str(), v, v_min, v_max, format, power, clamp, tooltip, show_edit_btn);
}
bool ImGuiWrapper::slider_float(const wxString& label, float* v, float v_min, float v_max, const char* format/* = "%.3f"*/, float power/* = 1.0f*/, bool clamp /*= true*/, const wxString& tooltip /*= ""*/, bool show_edit_btn /*= true*/)
{
auto label_utf8 = into_u8(label);
return this->slider_float(label_utf8.c_str(), v, v_min, v_max, format, power, clamp, tooltip, show_edit_btn);
}
static bool image_button_ex(ImGuiID id, ImTextureID texture_id, const ImVec2& size, const ImVec2& uv0, const ImVec2& uv1, const ImVec2& padding, const ImVec4& bg_col, const ImVec4& tint_col, ImGuiButtonFlags flags)
{
ImGuiContext& g = *GImGui;
ImGuiWindow* window = ImGui::GetCurrentWindow();
if (window->SkipItems)
return false;
const ImRect bb(window->DC.CursorPos, window->DC.CursorPos + size + padding * 2);
ImGui::ItemSize(bb);
if (!ImGui::ItemAdd(bb, id))
return false;
bool hovered, held;
bool pressed = ImGui::ButtonBehavior(bb, id, &hovered, &held, flags);
// Render
const ImU32 col = ImGui::GetColorU32((held && hovered) ? ImGuiCol_ButtonActive : hovered ? ImGuiCol_ButtonHovered : ImGuiCol_Button);
ImGui::RenderNavHighlight(bb, id);
ImGui::RenderFrame(bb.Min, bb.Max, col, true, ImClamp((float)ImMin(padding.x, padding.y), 0.0f, g.Style.FrameRounding));
if (bg_col.w > 0.0f)
window->DrawList->AddRectFilled(bb.Min + padding, bb.Max - padding, ImGui::GetColorU32(bg_col));
window->DrawList->AddImage(texture_id, bb.Min + padding, bb.Max - padding, uv0, uv1, ImGui::GetColorU32(tint_col));
return pressed;
}
bool ImGuiWrapper::image_button(ImTextureID user_texture_id, const ImVec2& size, const ImVec2& uv0, const ImVec2& uv1, int frame_padding, const ImVec4& bg_col, const ImVec4& tint_col, ImGuiButtonFlags flags)
{
ImGuiContext& g = *GImGui;
ImGuiWindow* window = g.CurrentWindow;
if (window->SkipItems)
return false;
// Default to using texture ID as ID. User can still push string/integer prefixes.
ImGui::PushID((void*)(intptr_t)user_texture_id);
const ImGuiID id = window->GetID("#image");
ImGui::PopID();
const ImVec2 padding = (frame_padding >= 0) ? ImVec2((float)frame_padding, (float)frame_padding) : g.Style.FramePadding;
return image_button_ex(id, user_texture_id, size, uv0, uv1, padding, bg_col, tint_col, flags);
}
bool ImGuiWrapper::image_button(const wchar_t icon, const wxString& tooltip)
{
const ImGuiIO& io = ImGui::GetIO();
const ImTextureID tex_id = io.Fonts->TexID;
assert(io.Fonts->TexWidth > 0 && io.Fonts->TexHeight > 0);
const float inv_tex_w = 1.0f / float(io.Fonts->TexWidth);
const float inv_tex_h = 1.0f / float(io.Fonts->TexHeight);
const ImFontAtlasCustomRect* const rect = GetTextureCustomRect(icon);
const ImVec2 size = { float(rect->Width), float(rect->Height) };
const ImVec2 uv0 = ImVec2(float(rect->X) * inv_tex_w, float(rect->Y) * inv_tex_h);
const ImVec2 uv1 = ImVec2(float(rect->X + rect->Width) * inv_tex_w, float(rect->Y + rect->Height) * inv_tex_h);
ImGui::PushStyleColor(ImGuiCol_Button, { 0.25f, 0.25f, 0.25f, 0.0f });
ImGui::PushStyleColor(ImGuiCol_ButtonHovered, { 0.4f, 0.4f, 0.4f, 1.0f });
ImGui::PushStyleColor(ImGuiCol_ButtonActive, { 0.25f, 0.25f, 0.25f, 1.0f });
const bool res = image_button(tex_id, size, uv0, uv1);
ImGui::PopStyleColor(3);
if (!tooltip.empty() && ImGui::IsItemHovered())
this->tooltip(tooltip, ImGui::GetFontSize() * 20.0f);
return res;
}
bool ImGuiWrapper::combo(const wxString& label, const std::vector<std::string>& options, int& selection, ImGuiComboFlags flags)
{
// this is to force the label to the left of the widget:
if (!label.empty()) {
text(label);
ImGui::SameLine();
}
int selection_out = selection;
bool res = false;
const char *selection_str = selection < int(options.size()) && selection >= 0 ? options[selection].c_str() : "";
if (ImGui::BeginCombo("", selection_str, flags)) {
for (int i = 0; i < (int)options.size(); i++) {
if (ImGui::Selectable(options[i].c_str(), i == selection)) {
selection_out = i;
}
}
ImGui::EndCombo();
res = true;
}
selection = selection_out;
return res;
}
// Scroll up for one item
static void scroll_up()
{
ImGuiContext& g = *GImGui;
ImGuiWindow* window = g.CurrentWindow;
float item_size_y = window->DC.PrevLineSize.y + g.Style.ItemSpacing.y;
float win_top = window->Scroll.y;
ImGui::SetScrollY(win_top - item_size_y);
}
// Scroll down for one item
static void scroll_down()
{
ImGuiContext& g = *GImGui;
ImGuiWindow* window = g.CurrentWindow;
float item_size_y = window->DC.PrevLineSize.y + g.Style.ItemSpacing.y;
float win_top = window->Scroll.y;
ImGui::SetScrollY(win_top + item_size_y);
}
static void process_mouse_wheel(int& mouse_wheel)
{
if (mouse_wheel > 0)
scroll_up();
else if (mouse_wheel < 0)
scroll_down();
mouse_wheel = 0;
}
bool ImGuiWrapper::undo_redo_list(const ImVec2& size, const bool is_undo, bool (*items_getter)(const bool , int , const char**), int& hovered, int& selected, int& mouse_wheel)
{
bool is_hovered = false;
ImGui::ListBoxHeader("", size);
int i=0;
const char* item_text;
while (items_getter(is_undo, i, &item_text)) {
ImGui::Selectable(item_text, i < hovered);
if (ImGui::IsItemHovered()) {
ImGui::SetTooltip("%s", item_text);
hovered = i;
is_hovered = true;
}
if (ImGui::IsItemClicked())
selected = i;
i++;
}
if (is_hovered)
process_mouse_wheel(mouse_wheel);
ImGui::ListBoxFooter();
return is_hovered;
}
// It's a copy of IMGui::Selactable function.
// But a little beat modified to change a label text.
// If item is hovered we should use another color for highlighted letters.
// To do that we push a ColorMarkerHovered symbol at the very beginning of the label
// This symbol will be used to a color selection for the highlighted letters.
// see imgui_draw.cpp, void ImFont::RenderText()
static bool selectable(const char* label, bool selected, ImGuiSelectableFlags flags = 0, const ImVec2& size_arg = ImVec2(0, 0))
{
ImGuiWindow* window = ImGui::GetCurrentWindow();
if (window->SkipItems)
return false;
ImGuiContext& g = *GImGui;
const ImGuiStyle& style = g.Style;
// Submit label or explicit size to ItemSize(), whereas ItemAdd() will submit a larger/spanning rectangle.
ImGuiID id = window->GetID(label);
ImVec2 label_size = ImGui::CalcTextSize(label, NULL, true);
ImVec2 size(size_arg.x != 0.0f ? size_arg.x : label_size.x, size_arg.y != 0.0f ? size_arg.y : label_size.y);
ImVec2 pos = window->DC.CursorPos;
pos.y += window->DC.CurrLineTextBaseOffset;
ImGui::ItemSize(size, 0.0f);
// Fill horizontal space
// We don't support (size < 0.0f) in Selectable() because the ItemSpacing extension would make explicitly right-aligned sizes not visibly match other widgets.
const bool span_all_columns = (flags & ImGuiSelectableFlags_SpanAllColumns) != 0;
const float min_x = span_all_columns ? window->ParentWorkRect.Min.x : pos.x;
const float max_x = span_all_columns ? window->ParentWorkRect.Max.x : window->WorkRect.Max.x;
if (size_arg.x == 0.0f || (flags & ImGuiSelectableFlags_SpanAvailWidth))
size.x = ImMax(label_size.x, max_x - min_x);
// Text stays at the submission position, but bounding box may be extended on both sides
const ImVec2 text_min = pos;
const ImVec2 text_max(min_x + size.x, pos.y + size.y);
// Selectables are meant to be tightly packed together with no click-gap, so we extend their box to cover spacing between selectable.
ImRect bb(min_x, pos.y, text_max.x, text_max.y);
if ((flags & ImGuiSelectableFlags_NoPadWithHalfSpacing) == 0)
{
const float spacing_x = span_all_columns ? 0.0f : style.ItemSpacing.x;
const float spacing_y = style.ItemSpacing.y;
const float spacing_L = IM_FLOOR(spacing_x * 0.50f);
const float spacing_U = IM_FLOOR(spacing_y * 0.50f);
bb.Min.x -= spacing_L;
bb.Min.y -= spacing_U;
bb.Max.x += (spacing_x - spacing_L);
bb.Max.y += (spacing_y - spacing_U);
}
//if (g.IO.KeyCtrl) { GetForegroundDrawList()->AddRect(bb.Min, bb.Max, IM_COL32(0, 255, 0, 255)); }
// Modify ClipRect for the ItemAdd(), faster than doing a PushColumnsBackground/PushTableBackground for every Selectable..
const float backup_clip_rect_min_x = window->ClipRect.Min.x;
const float backup_clip_rect_max_x = window->ClipRect.Max.x;
if (span_all_columns)
{
window->ClipRect.Min.x = window->ParentWorkRect.Min.x;
window->ClipRect.Max.x = window->ParentWorkRect.Max.x;
}
bool item_add;
if (flags & ImGuiSelectableFlags_Disabled)
{
ImGuiItemFlags backup_item_flags = g.CurrentItemFlags;
g.CurrentItemFlags |= ImGuiItemFlags_Disabled | ImGuiItemFlags_NoNavDefaultFocus;
item_add = ImGui::ItemAdd(bb, id);
g.CurrentItemFlags = backup_item_flags;
}
else
{
item_add = ImGui::ItemAdd(bb, id);
}
if (span_all_columns)
{
window->ClipRect.Min.x = backup_clip_rect_min_x;
window->ClipRect.Max.x = backup_clip_rect_max_x;
}
if (!item_add)
return false;
// FIXME: We can standardize the behavior of those two, we could also keep the fast path of override ClipRect + full push on render only,
// which would be advantageous since most selectable are not selected.
if (span_all_columns && window->DC.CurrentColumns)
ImGui::PushColumnsBackground();
else if (span_all_columns && g.CurrentTable)
ImGui::TablePushBackgroundChannel();
// We use NoHoldingActiveID on menus so user can click and _hold_ on a menu then drag to browse child entries
ImGuiButtonFlags button_flags = 0;
if (flags & ImGuiSelectableFlags_NoHoldingActiveID) { button_flags |= ImGuiButtonFlags_NoHoldingActiveId; }
if (flags & ImGuiSelectableFlags_SelectOnClick) { button_flags |= ImGuiButtonFlags_PressedOnClick; }
if (flags & ImGuiSelectableFlags_SelectOnRelease) { button_flags |= ImGuiButtonFlags_PressedOnRelease; }
if (flags & ImGuiSelectableFlags_Disabled) { button_flags |= ImGuiButtonFlags_Disabled; }
if (flags & ImGuiSelectableFlags_AllowDoubleClick) { button_flags |= ImGuiButtonFlags_PressedOnClickRelease | ImGuiButtonFlags_PressedOnDoubleClick; }
if (flags & ImGuiSelectableFlags_AllowItemOverlap) { button_flags |= ImGuiButtonFlags_AllowItemOverlap; }
if (flags & ImGuiSelectableFlags_Disabled)
selected = false;
const bool was_selected = selected;
bool hovered, held;
bool pressed = ImGui::ButtonBehavior(bb, id, &hovered, &held, button_flags);
// Update NavId when clicking or when Hovering (this doesn't happen on most widgets), so navigation can be resumed with gamepad/keyboard
if (pressed || (hovered && (flags & ImGuiSelectableFlags_SetNavIdOnHover)))
{
if (!g.NavDisableMouseHover && g.NavWindow == window && g.NavLayer == window->DC.NavLayerCurrent)
{
ImGui::SetNavID(id, window->DC.NavLayerCurrent, window->DC.NavFocusScopeIdCurrent, ImRect(bb.Min - window->Pos, bb.Max - window->Pos));
g.NavDisableHighlight = true;
}
}
if (pressed)
ImGui::MarkItemEdited(id);
if (flags & ImGuiSelectableFlags_AllowItemOverlap)
ImGui::SetItemAllowOverlap();
// In this branch, Selectable() cannot toggle the selection so this will never trigger.
if (selected != was_selected) //-V547
window->DC.LastItemStatusFlags |= ImGuiItemStatusFlags_ToggledSelection;
// Render
if (held && (flags & ImGuiSelectableFlags_DrawHoveredWhenHeld))
hovered = true;
if (hovered || selected)
{
const ImU32 col = ImGui::GetColorU32((held && hovered) ? ImGuiCol_HeaderActive : hovered ? ImGuiCol_HeaderHovered : ImGuiCol_Header);
ImGui::RenderFrame(bb.Min, bb.Max, col, false, 0.0f);
ImGui::RenderNavHighlight(bb, id, ImGuiNavHighlightFlags_TypeThin | ImGuiNavHighlightFlags_NoRounding);
}
if (span_all_columns && window->DC.CurrentColumns)
ImGui::PopColumnsBackground();
else if (span_all_columns && g.CurrentTable)
ImGui::TablePopBackgroundChannel();
// mark a label with a ColorMarkerHovered, if item is hovered
char marked_label[512]; //255 symbols is not enough for translated string (e.t. to Russian)
if (hovered)
sprintf(marked_label, "%c%s", ImGui::ColorMarkerHovered, label);
else
strcpy(marked_label, label);
if (flags & ImGuiSelectableFlags_Disabled) ImGui::PushStyleColor(ImGuiCol_Text, style.Colors[ImGuiCol_TextDisabled]);
ImGui::RenderTextClipped(text_min, text_max, marked_label, NULL, &label_size, style.SelectableTextAlign, &bb);
if (flags & ImGuiSelectableFlags_Disabled) ImGui::PopStyleColor();
// Automatically close popups
if (pressed && (window->Flags & ImGuiWindowFlags_Popup) && !(flags & ImGuiSelectableFlags_DontClosePopups) && !(g.CurrentItemFlags & ImGuiItemFlags_SelectableDontClosePopup))
ImGui::CloseCurrentPopup();
IMGUI_TEST_ENGINE_ITEM_INFO(id, label, window->DC.LastItemStatusFlags);
return pressed;
}
// Scroll so that the hovered item is at the top of the window
static void scroll_y(int hover_id)
{
if (hover_id < 0)
return;
ImGuiContext& g = *GImGui;
ImGuiWindow* window = g.CurrentWindow;
float item_size_y = window->DC.PrevLineSize.y + g.Style.ItemSpacing.y;
float item_delta = 0.5 * item_size_y;
float item_top = item_size_y * hover_id;
float item_bottom = item_top + item_size_y;
float win_top = window->Scroll.y;
float win_bottom = window->Scroll.y + window->Size.y;
if (item_bottom + item_delta >= win_bottom)
ImGui::SetScrollY(win_top + item_size_y);
else if (item_top - item_delta <= win_top)
ImGui::SetScrollY(win_top - item_size_y);
}
// Use this function instead of ImGui::IsKeyPressed.
// ImGui::IsKeyPressed is related for *GImGui.IO.KeysDownDuration[user_key_index]
// And after first key pressing IsKeyPressed() return "true" always even if key wasn't pressed
static void process_key_down(ImGuiKey imgui_key, std::function<void()> f)
{
if (ImGui::IsKeyDown(ImGui::GetKeyIndex(imgui_key)))
{
f();
// set KeysDown to false to avoid redundant key down processing
ImGuiContext& g = *GImGui;
g.IO.KeysDown[ImGui::GetKeyIndex(imgui_key)] = false;
}
}
void ImGuiWrapper::search_list(const ImVec2& size_, bool (*items_getter)(int, const char** label, const char** tooltip), char* search_str,
Search::OptionViewParameters& view_params, int& selected, bool& edited, int& mouse_wheel, bool is_localized)
{
int& hovered_id = view_params.hovered_id;
// ImGui::ListBoxHeader("", size);
{
// rewrote part of function to add a TextInput instead of label Text
ImGuiContext& g = *GImGui;
ImGuiWindow* window = ImGui::GetCurrentWindow();
if (window->SkipItems)
return ;
const ImGuiStyle& style = g.Style;
// Size default to hold ~7 items. Fractional number of items helps seeing that we can scroll down/up without looking at scrollbar.
ImVec2 size = ImGui::CalcItemSize(size_, ImGui::CalcItemWidth(), ImGui::GetTextLineHeightWithSpacing() * 7.4f + style.ItemSpacing.y);
ImRect frame_bb(window->DC.CursorPos, ImVec2(window->DC.CursorPos.x + size.x, window->DC.CursorPos.y + size.y));
ImRect bb(frame_bb.Min, frame_bb.Max);
window->DC.LastItemRect = bb; // Forward storage for ListBoxFooter.. dodgy.
g.NextItemData.ClearFlags();
if (!ImGui::IsRectVisible(bb.Min, bb.Max))
{
ImGui::ItemSize(bb.GetSize(), style.FramePadding.y);
ImGui::ItemAdd(bb, 0, &frame_bb);
return ;
}
ImGui::BeginGroup();
const ImGuiID id = ImGui::GetID(search_str);
ImVec2 search_size = ImVec2(size.x, ImGui::GetTextLineHeightWithSpacing() + style.ItemSpacing.y);
if (!ImGui::IsAnyItemFocused() && !ImGui::IsAnyItemActive() && !ImGui::IsMouseClicked(0))
ImGui::SetKeyboardFocusHere(0);
// The press on Esc key invokes editing of InputText (removes last changes)
// So we should save previous value...
std::string str = search_str;
ImGui::InputTextEx("", NULL, search_str, 40, search_size, ImGuiInputTextFlags_AutoSelectAll, NULL, NULL);
edited = ImGui::IsItemEdited();
if (edited)
hovered_id = 0;
process_key_down(ImGuiKey_Escape, [&selected, search_str, str]() {
// use 9999 to mark selection as a Esc key
selected = 9999;
// ... and when Esc key was pressed, than revert search_str value
strcpy(search_str, str.c_str());
});
ImGui::BeginChildFrame(id, frame_bb.GetSize());
}
int i = 0;
const char* item_text;
const char* tooltip;
int mouse_hovered = -1;
while (items_getter(i, &item_text, &tooltip))
{
selectable(item_text, i == hovered_id);
if (ImGui::IsItemHovered()) {
ImGui::SetTooltip("%s", /*item_text*/tooltip);
hovered_id = -1;
mouse_hovered = i;
}
if (ImGui::IsItemClicked())
selected = i;
i++;
}
// Process mouse wheel
if (mouse_hovered > 0)
process_mouse_wheel(mouse_wheel);
// process Up/DownArrows and Enter
process_key_down(ImGuiKey_UpArrow, [&hovered_id, mouse_hovered]() {
if (mouse_hovered > 0)
scroll_up();
else {
if (hovered_id > 0)
--hovered_id;
scroll_y(hovered_id);
}
});
process_key_down(ImGuiKey_DownArrow, [&hovered_id, mouse_hovered, i]() {
if (mouse_hovered > 0)
scroll_down();
else {
if (hovered_id < 0)
hovered_id = 0;
else if (hovered_id < i - 1)
++hovered_id;
scroll_y(hovered_id);
}
});
process_key_down(ImGuiKey_Enter, [&selected, hovered_id]() {
selected = hovered_id;
});
ImGui::ListBoxFooter();
auto check_box = [&edited, this](const wxString& label, bool& check) {
ImGui::SameLine();
bool ch = check;
checkbox(label, ch);
if (ImGui::IsItemClicked()) {
check = !check;
edited = true;
}
};
ImGui::AlignTextToFramePadding();
// add checkboxes for show/hide Categories and Groups
text(_L("Use for search")+":");
check_box(_L("Category"), view_params.category);
if (is_localized)
check_box(_L("Search in English"), view_params.english);
}
void ImGuiWrapper::title(const std::string& str)
{
text(str);
ImGui::Separator();
}
void ImGuiWrapper::disabled_begin(bool disabled)
{
wxCHECK_RET(!m_disabled, "ImGUI: Unbalanced disabled_begin() call");
if (disabled) {
ImGui::PushItemFlag(ImGuiItemFlags_Disabled, true);
ImGui::PushStyleVar(ImGuiStyleVar_Alpha, ImGui::GetStyle().Alpha * 0.5f);
m_disabled = true;
}
}
void ImGuiWrapper::disabled_end()
{
if (m_disabled) {
ImGui::PopItemFlag();
ImGui::PopStyleVar();
m_disabled = false;
}
}
bool ImGuiWrapper::want_mouse() const
{
return ImGui::GetIO().WantCaptureMouse;
}
bool ImGuiWrapper::want_keyboard() const
{
return ImGui::GetIO().WantCaptureKeyboard;
}
bool ImGuiWrapper::want_text_input() const
{
return ImGui::GetIO().WantTextInput;
}
bool ImGuiWrapper::want_any_input() const
{
const auto io = ImGui::GetIO();
return io.WantCaptureMouse || io.WantCaptureKeyboard || io.WantTextInput;
}
ImFontAtlasCustomRect* ImGuiWrapper::GetTextureCustomRect(const wchar_t& tex_id)
{
auto item = m_custom_glyph_rects_ids.find(tex_id);
return (item != m_custom_glyph_rects_ids.end()) ? ImGui::GetIO().Fonts->GetCustomRectByIndex(m_custom_glyph_rects_ids[tex_id]) : nullptr;
}
void ImGuiWrapper::disable_background_fadeout_animation()
{
GImGui->DimBgRatio = 1.0f;
}
ImU32 ImGuiWrapper::to_ImU32(const ColorRGBA& color)
{
return ImGui::GetColorU32({ color.r(), color.g(), color.b(), color.a() });
}
ImVec4 ImGuiWrapper::to_ImVec4(const ColorRGBA& color)
{
return { color.r(), color.g(), color.b(), color.a() };
}
ColorRGBA ImGuiWrapper::from_ImU32(const ImU32& color)
{
return from_ImVec4(ImGui::ColorConvertU32ToFloat4(color));
}
ColorRGBA ImGuiWrapper::from_ImVec4(const ImVec4& color)
{
return { color.x, color.y, color.z, color.w };
}
template <typename T, typename Func>
static bool input_optional(std::optional<T> &v, Func& f, std::function<bool(const T&)> is_default, const T& def_val)
{
if (v.has_value()) {
if (f(*v)) {
if (is_default(*v)) v.reset();
return true;
}
} else {
T val = def_val;
if (f(val)) {
if (!is_default(val)) v = val;
return true;
}
}
return false;
}
bool ImGuiWrapper::input_optional_int(const char * label,
std::optional<int>& v,
int step,
int step_fast,
ImGuiInputTextFlags flags,
int def_val)
{
auto func = [&](int &value) {
return ImGui::InputInt(label, &value, step, step_fast, flags);
};
std::function<bool(const int &)> is_default =
[def_val](const int &value) -> bool { return value == def_val; };
return input_optional(v, func, is_default, def_val);
}
bool ImGuiWrapper::input_optional_float(const char * label,
std::optional<float> &v,
float step,
float step_fast,
const char * format,
ImGuiInputTextFlags flags,
float def_val)
{
auto func = [&](float &value) {
return ImGui::InputFloat(label, &value, step, step_fast, format, flags);
};
std::function<bool(const float &)> is_default =
[def_val](const float &value) -> bool {
return std::fabs(value-def_val) <= std::numeric_limits<float>::epsilon();
};
return input_optional(v, func, is_default, def_val);
}
bool ImGuiWrapper::drag_optional_float(const char * label,
std::optional<float> &v,
float v_speed,
float v_min,
float v_max,
const char * format,
float power,
float def_val)
{
auto func = [&](float &value) {
return ImGui::DragFloat(label, &value, v_speed, v_min, v_max, format, power);
};
std::function<bool(const float &)> is_default =
[def_val](const float &value) -> bool {
return std::fabs(value-def_val) <= std::numeric_limits<float>::epsilon();
};
return input_optional(v, func, is_default, def_val);
}
bool ImGuiWrapper::slider_optional_float(const char *label,
std::optional<float> &v,
float v_min,
float v_max,
const char *format,
float power,
bool clamp,
const wxString &tooltip,
bool show_edit_btn,
float def_val)
{
auto func = [&](float &value) {
return slider_float(label, &value, v_min, v_max, format, power, clamp, tooltip, show_edit_btn);
};
std::function<bool(const float &)> is_default =
[def_val](const float &value) -> bool {
return std::fabs(value - def_val) <= std::numeric_limits<float>::epsilon();
};
return input_optional(v, func, is_default, def_val);
}
bool ImGuiWrapper::slider_optional_int(const char *label,
std::optional<int> &v,
int v_min,
int v_max,
const char *format,
float power,
bool clamp,
const wxString &tooltip,
bool show_edit_btn,
int def_val)
{
std::optional<float> val;
if (v.has_value()) val = static_cast<float>(*v);
auto func = [&](float &value) {
return slider_float(label, &value, v_min, v_max, format, power, clamp, tooltip, show_edit_btn);
};
std::function<bool(const float &)> is_default =
[def_val](const float &value) -> bool {
return std::fabs(value - def_val) < 0.9f;
};
float default_value = static_cast<float>(def_val);
if (input_optional(val, func, is_default, default_value)) {
if (val.has_value())
v = static_cast<int>(std::round(*val));
else
v.reset();
return true;
} else return false;
}
std::string ImGuiWrapper::trunc(const std::string &text,
float width,
const char * tail)
{
float text_width = ImGui::CalcTextSize(text.c_str()).x;
if (text_width < width) return text;
float tail_width = ImGui::CalcTextSize(tail).x;
assert(width > tail_width);
if (width <= tail_width) return "Error: Can't add tail and not be under wanted width.";
float allowed_width = width - tail_width;
// guess approx count of letter
float average_letter_width = calc_text_size(std::string_view("n")).x; // average letter width
unsigned count_letter = static_cast<unsigned>(allowed_width / average_letter_width);
std::string_view text_ = text;
std::string_view result_text = text_.substr(0, count_letter);
text_width = calc_text_size(result_text).x;
if (text_width < allowed_width) {
// increase letter count
while (count_letter < text.length()) {
++count_letter;
std::string_view act_text = text_.substr(0, count_letter);
text_width = calc_text_size(act_text).x;
if (text_width > allowed_width) break;
result_text = act_text;
}
} else {
// decrease letter count
while (count_letter > 1) {
--count_letter;
result_text = text_.substr(0, count_letter);
text_width = calc_text_size(result_text).x;
if (text_width < allowed_width) break;
}
}
return std::string(result_text) + tail;
}
void ImGuiWrapper::escape_double_hash(std::string &text)
{
// add space between hashes
const std::string search = "##";
const std::string replace = "# #";
size_t pos = 0;
while ((pos = text.find(search, pos)) != std::string::npos)
text.replace(pos, search.length(), replace);
}
ImVec2 ImGuiWrapper::suggest_location(const ImVec2 &dialog_size,
const Slic3r::Polygon &interest,
const ImVec2 &canvas_size)
{
// IMPROVE 1: do not select place over menu
// BoundingBox top_menu;
// GLGizmosManager &gizmo_mng = canvas->get_gizmos_manager();
// BoundingBox side_menu; // gizmo_mng.get_size();
// BoundingBox left_bottom_menu; // is permanent?
// NotificationManager *notify_mng = plater->get_notification_manager();
// BoundingBox notifications; // notify_mng->get_size();
// m_window_width, m_window_height + position
// IMPROVE 2: use polygon of interest not only bounding box
BoundingBox bb(interest.points);
Point center = bb.center(); // interest.centroid();
// area size
Point window_center(canvas_size.x / 2, canvas_size.y / 2);
// mov on side
Point bb_half_size = (bb.max - bb.min) / 2 + Point(1,1);
Point diff_center = window_center - center;
Vec2d diff_norm(diff_center.x() / (double) bb_half_size.x(),
diff_center.y() / (double) bb_half_size.y());
if (diff_norm.x() > 1.) diff_norm.x() = 1.;
if (diff_norm.x() < -1.) diff_norm.x() = -1.;
if (diff_norm.y() > 1.) diff_norm.y() = 1.;
if (diff_norm.y() < -1.) diff_norm.y() = -1.;
Vec2d abs_diff(abs(diff_norm.x()), abs(diff_norm.y()));
if (abs_diff.x() < 1. && abs_diff.y() < 1.) {
if (abs_diff.x() > abs_diff.y())
diff_norm.x() = (diff_norm.x() < 0.) ? (-1.) : 1.;
else
diff_norm.y() = (diff_norm.y() < 0.) ? (-1.) : 1.;
}
Point half_dialog_size(dialog_size.x / 2., dialog_size.y / 2.);
Point move_size = bb_half_size + half_dialog_size;
Point offseted_center = center - half_dialog_size;
Vec2d offset(offseted_center.x() + diff_norm.x() * move_size.x(),
offseted_center.y() + diff_norm.y() * move_size.y());
// move offset close to center
Points window_polygon = {offset.cast<int>(),
Point(offset.x(), offset.y() + dialog_size.y),
Point(offset.x() + dialog_size.x,
offset.y() + dialog_size.y),
Point(offset.x() + dialog_size.x, offset.y())};
// check that position by Bounding box is not intersecting
assert(Slic3r::intersection(interest, Polygon(window_polygon)).empty());
double allowed_space = 10; // in px
double allowed_space_sq = allowed_space * allowed_space;
Vec2d move_vec = (center - (offset.cast<int>() + half_dialog_size))
.cast<double>();
Vec2d result_move(0, 0);
do {
move_vec = move_vec / 2.;
Point move_point = (move_vec + result_move).cast<int>();
Points moved_polygon = window_polygon; // copy
for (Point &p : moved_polygon) p += move_point;
if (Slic3r::intersection(interest, Polygon(moved_polygon)).empty())
result_move += move_vec;
} while (move_vec.squaredNorm() >= allowed_space_sq);
offset += result_move;
return ImVec2(offset.x(), offset.y());
}
void ImGuiWrapper::draw(
const Polygon &polygon,
ImDrawList * draw_list /* = ImGui::GetOverlayDrawList()*/,
ImU32 color /* = ImGui::GetColorU32(COL_ORANGE_LIGHT)*/,
float thickness /* = 3.f*/)
{
// minimal one line consist of 2 points
if (polygon.size() < 2) return;
// need a place to draw
if (draw_list == nullptr) return;
const Point *prev_point = &polygon.points.back();
for (const Point &point : polygon.points) {
ImVec2 p1(prev_point->x(), prev_point->y());
ImVec2 p2(point.x(), point.y());
draw_list->AddLine(p1, p2, color, thickness);
prev_point = &point;
}
}
bool ImGuiWrapper::contain_all_glyphs(const ImFont *font,
const std::string &text)
{
if (font == nullptr) return false;
if (!font->IsLoaded()) return false;
const ImFontConfig *fc = font->ConfigData;
if (fc == nullptr) return false;
if (text.empty()) return true;
return is_chars_in_ranges(fc->GlyphRanges, text.c_str());
}
bool ImGuiWrapper::is_char_in_ranges(const ImWchar *ranges,
unsigned int letter)
{
for (const ImWchar *range = ranges; range[0] && range[1]; range += 2) {
ImWchar from = range[0];
ImWchar to = range[1];
if (from <= letter && letter <= to) return true;
if (letter < to) return false; // ranges should be sorted
}
return false;
};
bool ImGuiWrapper::is_chars_in_ranges(const ImWchar *ranges,
const char *chars_ptr)
{
while (*chars_ptr) {
unsigned int c = 0;
// UTF-8 to 32-bit character need imgui_internal
int c_len = ImTextCharFromUtf8(&c, chars_ptr, NULL);
chars_ptr += c_len;
if (c_len == 0) break;
if (!is_char_in_ranges(ranges, c)) return false;
}
return true;
}
#ifdef __APPLE__
static const ImWchar ranges_keyboard_shortcuts[] =
{
0x21E7, 0x21E7, // OSX Shift Key symbol
0x2318, 0x2318, // OSX Command Key symbol
0x2325, 0x2325, // OSX Option Key symbol
0,
};
#endif // __APPLE__
std::vector<unsigned char> ImGuiWrapper::load_svg(const std::string& bitmap_name, unsigned target_width, unsigned target_height)
{
std::vector<unsigned char> empty_vector;
NSVGimage* image = BitmapCache::nsvgParseFromFileWithReplace(Slic3r::var(bitmap_name + ".svg").c_str(), "px", 96.0f, { { "\"#808080\"", "\"#FFFFFF\"" } });
if (image == nullptr)
return empty_vector;
float svg_scale = target_height != 0 ?
(float)target_height / image->height : target_width != 0 ?
(float)target_width / image->width : 1;
int width = (int)(svg_scale * image->width + 0.5f);
int height = (int)(svg_scale * image->height + 0.5f);
int n_pixels = width * height;
if (n_pixels <= 0) {
::nsvgDelete(image);
return empty_vector;
}
NSVGrasterizer* rast = ::nsvgCreateRasterizer();
if (rast == nullptr) {
::nsvgDelete(image);
return empty_vector;
}
std::vector<unsigned char> data(n_pixels * 4, 0);
::nsvgRasterize(rast, image, 0, 0, svg_scale, data.data(), width, height, width * 4);
::nsvgDeleteRasterizer(rast);
::nsvgDelete(image);
return data;
}
void ImGuiWrapper::init_font(bool compress)
{
destroy_font();
ImGuiIO& io = ImGui::GetIO();
io.Fonts->Clear();
// Create ranges of characters from m_glyph_ranges, possibly adding some OS specific special characters.
ImVector<ImWchar> ranges;
ImFontGlyphRangesBuilder builder;
builder.AddRanges(m_glyph_ranges);
if (m_font_cjk) {
// This is a temporary fix of https://github.com/prusa3d/PrusaSlicer/issues/8171. The translation
// contains characters not in the ImGui ranges for simplified Chinese. For now, just add them manually.
// In future, it might be worth to parse the dictionary and add all the necessary characters.
builder.AddChar(ImWchar(0x5ED3));
builder.AddChar(ImWchar(0x8F91));
}
#ifdef __APPLE__
if (m_font_cjk)
// Apple keyboard shortcuts are only contained in the CJK fonts.
builder.AddRanges(ranges_keyboard_shortcuts);
#endif
builder.BuildRanges(&ranges); // Build the final result (ordered ranges with all the unique characters submitted)
//FIXME replace with io.Fonts->AddFontFromMemoryTTF(buf_decompressed_data, (int)buf_decompressed_size, m_font_size, nullptr, ranges.Data);
//https://github.com/ocornut/imgui/issues/220
ImFont* font = io.Fonts->AddFontFromFileTTF((Slic3r::resources_dir() + "/fonts/" + (m_font_cjk ? "NotoSansCJK-Regular.ttc" : "NotoSans-Regular.ttf")).c_str(), m_font_size, nullptr, ranges.Data);
if (font == nullptr) {
font = io.Fonts->AddFontDefault();
if (font == nullptr) {
throw Slic3r::RuntimeError("ImGui: Could not load deafult font");
}
}
#ifdef __APPLE__
ImFontConfig config;
config.MergeMode = true;
if (! m_font_cjk) {
// Apple keyboard shortcuts are only contained in the CJK fonts.
[[maybe_unused]]ImFont *font_cjk = io.Fonts->AddFontFromFileTTF((Slic3r::resources_dir() + "/fonts/NotoSansCJK-Regular.ttc").c_str(), m_font_size, &config, ranges_keyboard_shortcuts);
assert(font_cjk != nullptr);
}
#endif
float font_scale = m_font_size/15;
int icon_sz = lround(16 * font_scale); // default size of icon is 16 px
int rect_id = io.Fonts->CustomRects.Size; // id of the rectangle added next
// add rectangles for the icons to the font atlas
for (auto& icon : font_icons) {
m_custom_glyph_rects_ids[icon.first] =
io.Fonts->AddCustomRectFontGlyph(font, icon.first, icon_sz, icon_sz, 3.0 * font_scale + icon_sz);
}
for (auto& icon : font_icons_large) {
m_custom_glyph_rects_ids[icon.first] =
io.Fonts->AddCustomRectFontGlyph(font, icon.first, icon_sz * 2, icon_sz * 2, 3.0 * font_scale + icon_sz * 2);
}
for (auto& icon : font_icons_extra_large) {
m_custom_glyph_rects_ids[icon.first] =
io.Fonts->AddCustomRectFontGlyph(font, icon.first, icon_sz * 4, icon_sz * 4, 3.0 * font_scale + icon_sz * 4);
}
// Build texture atlas
unsigned char* pixels;
int width, height;
io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); // Load as RGBA 32-bits (75% of the memory is wasted, but default font is so small) because it is more likely to be compatible with user's existing shaders. If your ImTextureId represent a higher-level concept than just a GL texture id, consider calling GetTexDataAsAlpha8() instead to save on GPU memory.
// Fill rectangles from the SVG-icons
for (auto icon : font_icons) {
if (const ImFontAtlas::CustomRect* rect = io.Fonts->GetCustomRectByIndex(rect_id)) {
assert(rect->Width == icon_sz);
assert(rect->Height == icon_sz);
std::vector<unsigned char> raw_data = load_svg(icon.second, icon_sz, icon_sz);
const ImU32* pIn = (ImU32*)raw_data.data();
for (int y = 0; y < icon_sz; y++) {
ImU32* pOut = (ImU32*)pixels + (rect->Y + y) * width + (rect->X);
for (int x = 0; x < icon_sz; x++)
*pOut++ = *pIn++;
}
}
rect_id++;
}
icon_sz *= 2; // default size of large icon is 32 px
for (auto icon : font_icons_large) {
if (const ImFontAtlas::CustomRect* rect = io.Fonts->GetCustomRectByIndex(rect_id)) {
assert(rect->Width == icon_sz);
assert(rect->Height == icon_sz);
std::vector<unsigned char> raw_data = load_svg(icon.second, icon_sz, icon_sz);
const ImU32* pIn = (ImU32*)raw_data.data();
for (int y = 0; y < icon_sz; y++) {
ImU32* pOut = (ImU32*)pixels + (rect->Y + y) * width + (rect->X);
for (int x = 0; x < icon_sz; x++)
*pOut++ = *pIn++;
}
}
rect_id++;
}
icon_sz *= 2; // default size of extra large icon is 64 px
for (auto icon : font_icons_extra_large) {
if (const ImFontAtlas::CustomRect* rect = io.Fonts->GetCustomRectByIndex(rect_id)) {
assert(rect->Width == icon_sz);
assert(rect->Height == icon_sz);
std::vector<unsigned char> raw_data = load_svg(icon.second, icon_sz, icon_sz);
const ImU32* pIn = (ImU32*)raw_data.data();
for (int y = 0; y < icon_sz; y++) {
ImU32* pOut = (ImU32*)pixels + (rect->Y + y) * width + (rect->X);
for (int x = 0; x < icon_sz; x++)
*pOut++ = *pIn++;
}
}
rect_id++;
}
// Upload texture to graphics system
GLint last_texture;
glsafe(::glGetIntegerv(GL_TEXTURE_BINDING_2D, &last_texture));
glsafe(::glGenTextures(1, &m_font_texture));
glsafe(::glBindTexture(GL_TEXTURE_2D, m_font_texture));
glsafe(::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR));
glsafe(::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR));
glsafe(::glPixelStorei(GL_UNPACK_ROW_LENGTH, 0));
if (compress && OpenGLManager::are_compressed_textures_supported())
glsafe(::glTexImage2D(GL_TEXTURE_2D, 0, GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, pixels));
else
glsafe(::glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, pixels));
// Store our identifier
io.Fonts->TexID = (ImTextureID)(intptr_t)m_font_texture;
// Restore state
glsafe(::glBindTexture(GL_TEXTURE_2D, last_texture));
}
void ImGuiWrapper::init_input()
{
ImGuiIO& io = ImGui::GetIO();
// Keyboard mapping. ImGui will use those indices to peek into the io.KeysDown[] array.
io.KeyMap[ImGuiKey_Tab] = WXK_TAB;
io.KeyMap[ImGuiKey_LeftArrow] = WXK_LEFT;
io.KeyMap[ImGuiKey_RightArrow] = WXK_RIGHT;
io.KeyMap[ImGuiKey_UpArrow] = WXK_UP;
io.KeyMap[ImGuiKey_DownArrow] = WXK_DOWN;
io.KeyMap[ImGuiKey_PageUp] = WXK_PAGEUP;
io.KeyMap[ImGuiKey_PageDown] = WXK_PAGEDOWN;
io.KeyMap[ImGuiKey_Home] = WXK_HOME;
io.KeyMap[ImGuiKey_End] = WXK_END;
io.KeyMap[ImGuiKey_Insert] = WXK_INSERT;
io.KeyMap[ImGuiKey_Delete] = WXK_DELETE;
io.KeyMap[ImGuiKey_Backspace] = WXK_BACK;
io.KeyMap[ImGuiKey_Space] = WXK_SPACE;
io.KeyMap[ImGuiKey_Enter] = WXK_RETURN;
io.KeyMap[ImGuiKey_KeyPadEnter] = WXK_NUMPAD_ENTER;
io.KeyMap[ImGuiKey_Escape] = WXK_ESCAPE;
io.KeyMap[ImGuiKey_A] = 'A';
io.KeyMap[ImGuiKey_C] = 'C';
io.KeyMap[ImGuiKey_V] = 'V';
io.KeyMap[ImGuiKey_X] = 'X';
io.KeyMap[ImGuiKey_Y] = 'Y';
io.KeyMap[ImGuiKey_Z] = 'Z';
// Don't let imgui special-case Mac, wxWidgets already do that
io.ConfigMacOSXBehaviors = false;
// Setup clipboard interaction callbacks
io.SetClipboardTextFn = clipboard_set;
io.GetClipboardTextFn = clipboard_get;
io.ClipboardUserData = this;
}
void ImGuiWrapper::init_style()
{
ImGuiStyle &style = ImGui::GetStyle();
auto set_color = [&](ImGuiCol_ entity, ImVec4 color) {
style.Colors[entity] = color;
};
// Window
style.WindowRounding = 4.0f;
set_color(ImGuiCol_WindowBg, COL_WINDOW_BACKGROUND);
set_color(ImGuiCol_TitleBgActive, COL_ORANGE_DARK);
// Generics
set_color(ImGuiCol_FrameBg, COL_GREY_DARK);
set_color(ImGuiCol_FrameBgHovered, COL_GREY_LIGHT);
set_color(ImGuiCol_FrameBgActive, COL_GREY_LIGHT);
// Text selection
set_color(ImGuiCol_TextSelectedBg, COL_ORANGE_DARK);
// Buttons
set_color(ImGuiCol_Button, COL_BUTTON_BACKGROUND);
set_color(ImGuiCol_ButtonHovered, COL_BUTTON_HOVERED);
set_color(ImGuiCol_ButtonActive, COL_BUTTON_ACTIVE);
// Checkbox
set_color(ImGuiCol_CheckMark, COL_ORANGE_LIGHT);
// ComboBox items
set_color(ImGuiCol_Header, COL_ORANGE_DARK);
set_color(ImGuiCol_HeaderHovered, COL_ORANGE_LIGHT);
set_color(ImGuiCol_HeaderActive, COL_ORANGE_LIGHT);
// Slider
set_color(ImGuiCol_SliderGrab, COL_ORANGE_DARK);
set_color(ImGuiCol_SliderGrabActive, COL_ORANGE_LIGHT);
// Separator
set_color(ImGuiCol_Separator, COL_ORANGE_LIGHT);
// Tabs
set_color(ImGuiCol_Tab, COL_ORANGE_DARK);
set_color(ImGuiCol_TabHovered, COL_ORANGE_LIGHT);
set_color(ImGuiCol_TabActive, COL_ORANGE_LIGHT);
set_color(ImGuiCol_TabUnfocused, COL_GREY_DARK);
set_color(ImGuiCol_TabUnfocusedActive, COL_GREY_LIGHT);
// Scrollbars
set_color(ImGuiCol_ScrollbarGrab, COL_ORANGE_DARK);
set_color(ImGuiCol_ScrollbarGrabHovered, COL_ORANGE_LIGHT);
set_color(ImGuiCol_ScrollbarGrabActive, COL_ORANGE_LIGHT);
}
void ImGuiWrapper::render_draw_data(ImDrawData *draw_data)
{
if (draw_data == nullptr || draw_data->CmdListsCount == 0)
return;
#if ENABLE_LEGACY_OPENGL_REMOVAL
GLShaderProgram* shader = wxGetApp().get_shader("imgui");
if (shader == nullptr)
return;
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
// Avoid rendering when minimized, scale coordinates for retina displays (screen coordinates != framebuffer coordinates)
ImGuiIO& io = ImGui::GetIO();
const int fb_width = (int)(draw_data->DisplaySize.x * io.DisplayFramebufferScale.x);
const int fb_height = (int)(draw_data->DisplaySize.y * io.DisplayFramebufferScale.y);
if (fb_width == 0 || fb_height == 0)
return;
#if ENABLE_LEGACY_OPENGL_REMOVAL
GLShaderProgram* curr_shader = wxGetApp().get_current_shader();
if (curr_shader != nullptr)
curr_shader->stop_using();
shader->start_using();
#else
draw_data->ScaleClipRects(io.DisplayFramebufferScale);
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
#if ENABLE_GL_CORE_PROFILE || ENABLE_OPENGL_ES
// Backup GL state
GLenum last_active_texture; glsafe(::glGetIntegerv(GL_ACTIVE_TEXTURE, (GLint*)&last_active_texture));
GLuint last_program; glsafe(::glGetIntegerv(GL_CURRENT_PROGRAM, (GLint*)&last_program));
GLuint last_texture; glsafe(::glGetIntegerv(GL_TEXTURE_BINDING_2D, (GLint*)&last_texture));
GLuint last_array_buffer; glsafe(::glGetIntegerv(GL_ARRAY_BUFFER_BINDING, (GLint*)&last_array_buffer));
GLuint last_vertex_array_object = 0;
if (OpenGLManager::get_gl_info().is_version_greater_or_equal_to(3, 0))
glsafe(::glGetIntegerv(GL_VERTEX_ARRAY_BINDING, (GLint*)&last_vertex_array_object));
GLint last_viewport[4]; glsafe(::glGetIntegerv(GL_VIEWPORT, last_viewport));
GLint last_scissor_box[4]; glsafe(::glGetIntegerv(GL_SCISSOR_BOX, last_scissor_box));
GLenum last_blend_src_rgb; glsafe(::glGetIntegerv(GL_BLEND_SRC_RGB, (GLint*)&last_blend_src_rgb));
GLenum last_blend_dst_rgb; glsafe(::glGetIntegerv(GL_BLEND_DST_RGB, (GLint*)&last_blend_dst_rgb));
GLenum last_blend_src_alpha; glsafe(::glGetIntegerv(GL_BLEND_SRC_ALPHA, (GLint*)&last_blend_src_alpha));
GLenum last_blend_dst_alpha; glsafe(::glGetIntegerv(GL_BLEND_DST_ALPHA, (GLint*)&last_blend_dst_alpha));
GLenum last_blend_equation_rgb; glsafe(::glGetIntegerv(GL_BLEND_EQUATION_RGB, (GLint*)&last_blend_equation_rgb));
GLenum last_blend_equation_alpha; glsafe(::glGetIntegerv(GL_BLEND_EQUATION_ALPHA, (GLint*)&last_blend_equation_alpha));
GLboolean last_enable_blend = ::glIsEnabled(GL_BLEND);
GLboolean last_enable_cull_face = ::glIsEnabled(GL_CULL_FACE);
GLboolean last_enable_depth_test = ::glIsEnabled(GL_DEPTH_TEST);
GLboolean last_enable_stencil_test = ::glIsEnabled(GL_STENCIL_TEST);
GLboolean last_enable_scissor_test = ::glIsEnabled(GL_SCISSOR_TEST);
// set new GL state
glsafe(::glActiveTexture(GL_TEXTURE0));
glsafe(::glEnable(GL_BLEND));
glsafe(::glBlendEquation(GL_FUNC_ADD));
glsafe(::glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA));
glsafe(::glDisable(GL_CULL_FACE));
glsafe(::glDisable(GL_DEPTH_TEST));
glsafe(::glDisable(GL_STENCIL_TEST));
glsafe(::glEnable(GL_SCISSOR_TEST));
#else
// We are using the OpenGL fixed pipeline to make the example code simpler to read!
// Setup render state: alpha-blending enabled, no face culling, no depth testing, scissor enabled, vertex/texcoord/color pointers, polygon fill.
GLint last_texture; glsafe(::glGetIntegerv(GL_TEXTURE_BINDING_2D, &last_texture));
GLint last_polygon_mode[2]; glsafe(::glGetIntegerv(GL_POLYGON_MODE, last_polygon_mode));
GLint last_viewport[4]; glsafe(::glGetIntegerv(GL_VIEWPORT, last_viewport));
GLint last_scissor_box[4]; glsafe(::glGetIntegerv(GL_SCISSOR_BOX, last_scissor_box));
GLint last_texture_env_mode; glsafe(::glGetTexEnviv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, &last_texture_env_mode));
glsafe(::glPushAttrib(GL_ENABLE_BIT | GL_COLOR_BUFFER_BIT | GL_TRANSFORM_BIT));
glsafe(::glEnable(GL_BLEND));
glsafe(::glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA));
glsafe(::glDisable(GL_CULL_FACE));
glsafe(::glDisable(GL_DEPTH_TEST));
glsafe(::glDisable(GL_STENCIL_TEST));
glsafe(::glEnable(GL_SCISSOR_TEST));
#if !ENABLE_LEGACY_OPENGL_REMOVAL
glsafe(::glDisable(GL_LIGHTING));
glsafe(::glDisable(GL_COLOR_MATERIAL));
glsafe(::glEnableClientState(GL_VERTEX_ARRAY));
glsafe(::glEnableClientState(GL_TEXTURE_COORD_ARRAY));
glsafe(::glEnableClientState(GL_COLOR_ARRAY));
#endif // !ENABLE_LEGACY_OPENGL_REMOVAL
glsafe(::glEnable(GL_TEXTURE_2D));
glsafe(::glPolygonMode(GL_FRONT_AND_BACK, GL_FILL));
glsafe(::glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE));
#endif // ENABLE_GL_CORE_PROFILE || ENABLE_OPENGL_ES
#if ENABLE_LEGACY_OPENGL_REMOVAL
// Setup viewport, orthographic projection matrix
// Our visible imgui space lies from draw_data->DisplayPos (top left) to draw_data->DisplayPos+data_data->DisplaySize (bottom right). DisplayPos is (0,0) for single viewport apps.
glsafe(::glViewport(0, 0, (GLsizei)fb_width, (GLsizei)fb_height));
const float L = draw_data->DisplayPos.x;
const float R = draw_data->DisplayPos.x + draw_data->DisplaySize.x;
const float T = draw_data->DisplayPos.y;
const float B = draw_data->DisplayPos.y + draw_data->DisplaySize.y;
Matrix4f ortho_projection;
ortho_projection <<
2.0f / (R - L), 0.0f, 0.0f, (R + L) / (L - R),
0.0f, 2.0f / (T - B), 0.0f, (T + B) / (B - T),
0.0f, 0.0f, -1.0f, 0.0f,
0.0f, 0.0f, 0.0f, 1.0f;
shader->set_uniform("Texture", 0);
shader->set_uniform("ProjMtx", ortho_projection);
#else
// Setup viewport, orthographic projection matrix
// Our visible imgui space lies from draw_data->DisplayPps (top left) to draw_data->DisplayPos+data_data->DisplaySize (bottom right). DisplayMin is typically (0,0) for single viewport apps.
glsafe(::glViewport(0, 0, (GLsizei)fb_width, (GLsizei)fb_height));
glsafe(::glMatrixMode(GL_PROJECTION));
glsafe(::glPushMatrix());
glsafe(::glLoadIdentity());
glsafe(::glOrtho(draw_data->DisplayPos.x, draw_data->DisplayPos.x + draw_data->DisplaySize.x, draw_data->DisplayPos.y + draw_data->DisplaySize.y, draw_data->DisplayPos.y, -1.0f, +1.0f));
glsafe(::glMatrixMode(GL_MODELVIEW));
glsafe(::glPushMatrix());
glsafe(::glLoadIdentity());
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
// Will project scissor/clipping rectangles into framebuffer space
const ImVec2 clip_off = draw_data->DisplayPos; // (0,0) unless using multi-viewports
const ImVec2 clip_scale = draw_data->FramebufferScale; // (1,1) unless using retina display which are often (2,2)
// Render command lists
for (int n = 0; n < draw_data->CmdListsCount; ++n) {
const ImDrawList* cmd_list = draw_data->CmdLists[n];
const ImDrawVert* vtx_buffer = cmd_list->VtxBuffer.Data;
const ImDrawIdx* idx_buffer = cmd_list->IdxBuffer.Data;
#if ENABLE_LEGACY_OPENGL_REMOVAL
const GLsizeiptr vtx_buffer_size = (GLsizeiptr)cmd_list->VtxBuffer.Size * (int)sizeof(ImDrawVert);
const GLsizeiptr idx_buffer_size = (GLsizeiptr)cmd_list->IdxBuffer.Size * (int)sizeof(ImDrawIdx);
#if ENABLE_GL_CORE_PROFILE
GLuint vao_id = 0;
if (OpenGLManager::get_gl_info().is_version_greater_or_equal_to(3, 0)) {
glsafe(::glGenVertexArrays(1, &vao_id));
glsafe(::glBindVertexArray(vao_id));
}
#endif // ENABLE_GL_CORE_PROFILE
GLuint vbo_id;
glsafe(::glGenBuffers(1, &vbo_id));
glsafe(::glBindBuffer(GL_ARRAY_BUFFER, vbo_id));
glsafe(::glBufferData(GL_ARRAY_BUFFER, vtx_buffer_size, vtx_buffer, GL_STATIC_DRAW));
const int position_id = shader->get_attrib_location("Position");
if (position_id != -1) {
glsafe(::glVertexAttribPointer(position_id, 2, GL_FLOAT, GL_FALSE, sizeof(ImDrawVert), (const void*)IM_OFFSETOF(ImDrawVert, pos)));
glsafe(::glEnableVertexAttribArray(position_id));
}
const int uv_id = shader->get_attrib_location("UV");
if (uv_id != -1) {
glsafe(::glVertexAttribPointer(uv_id, 2, GL_FLOAT, GL_FALSE, sizeof(ImDrawVert), (const void*)IM_OFFSETOF(ImDrawVert, uv)));
glsafe(::glEnableVertexAttribArray(uv_id));
}
const int color_id = shader->get_attrib_location("Color");
if (color_id != -1) {
glsafe(::glVertexAttribPointer(color_id, 4, GL_UNSIGNED_BYTE, GL_TRUE, sizeof(ImDrawVert), (const void*)IM_OFFSETOF(ImDrawVert, col)));
glsafe(::glEnableVertexAttribArray(color_id));
}
GLuint ibo_id;
glsafe(::glGenBuffers(1, &ibo_id));
glsafe(::glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ibo_id));
glsafe(::glBufferData(GL_ELEMENT_ARRAY_BUFFER, idx_buffer_size, idx_buffer, GL_STATIC_DRAW));
#else
glsafe(::glVertexPointer(2, GL_FLOAT, sizeof(ImDrawVert), (const GLvoid*)((const char*)vtx_buffer + IM_OFFSETOF(ImDrawVert, pos))));
glsafe(::glTexCoordPointer(2, GL_FLOAT, sizeof(ImDrawVert), (const GLvoid*)((const char*)vtx_buffer + IM_OFFSETOF(ImDrawVert, uv))));
glsafe(::glColorPointer(4, GL_UNSIGNED_BYTE, sizeof(ImDrawVert), (const GLvoid*)((const char*)vtx_buffer + IM_OFFSETOF(ImDrawVert, col))));
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; ++cmd_i) {
const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i];
if (pcmd->UserCallback)
// User callback (registered via ImDrawList::AddCallback)
pcmd->UserCallback(cmd_list, pcmd);
else {
#if ENABLE_LEGACY_OPENGL_REMOVAL
// Project scissor/clipping rectangles into framebuffer space
const ImVec2 clip_min((pcmd->ClipRect.x - clip_off.x) * clip_scale.x, (pcmd->ClipRect.y - clip_off.y) * clip_scale.y);
const ImVec2 clip_max((pcmd->ClipRect.z - clip_off.x) * clip_scale.x, (pcmd->ClipRect.w - clip_off.y) * clip_scale.y);
if (clip_max.x <= clip_min.x || clip_max.y <= clip_min.y)
continue;
// Apply scissor/clipping rectangle (Y is inverted in OpenGL)
glsafe(::glScissor((int)clip_min.x, (int)(fb_height - clip_max.y), (int)(clip_max.x - clip_min.x), (int)(clip_max.y - clip_min.y)));
// Bind texture, Draw
glsafe(::glBindTexture(GL_TEXTURE_2D, (GLuint)(intptr_t)pcmd->GetTexID()));
glsafe(::glDrawElements(GL_TRIANGLES, (GLsizei)pcmd->ElemCount, sizeof(ImDrawIdx) == 2 ? GL_UNSIGNED_SHORT : GL_UNSIGNED_INT, (void*)(intptr_t)(pcmd->IdxOffset * sizeof(ImDrawIdx))));
#else
// Project scissor/clipping rectangles into framebuffer space
const ImVec2 clip_min((pcmd->ClipRect.x - clip_off.x) * clip_scale.x, (pcmd->ClipRect.y - clip_off.y) * clip_scale.y);
const ImVec2 clip_max((pcmd->ClipRect.z - clip_off.x) * clip_scale.x, (pcmd->ClipRect.w - clip_off.y) * clip_scale.y);
if (clip_max.x <= clip_min.x || clip_max.y <= clip_min.y)
continue;
// Apply scissor/clipping rectangle (Y is inverted in OpenGL)
glsafe(::glScissor((int)clip_min.x, (int)(fb_height - clip_max.y), (int)(clip_max.x - clip_min.x), (int)(clip_max.y - clip_min.y)));
// Bind texture, Draw
glsafe(::glBindTexture(GL_TEXTURE_2D, (GLuint)(intptr_t)pcmd->GetTexID()));
glsafe(::glDrawElements(GL_TRIANGLES, (GLsizei)pcmd->ElemCount, sizeof(ImDrawIdx) == 2 ? GL_UNSIGNED_SHORT : GL_UNSIGNED_INT, idx_buffer + pcmd->IdxOffset));
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
}
}
#if ENABLE_LEGACY_OPENGL_REMOVAL
glsafe(::glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0));
if (color_id != -1)
glsafe(::glDisableVertexAttribArray(color_id));
if (uv_id != -1)
glsafe(::glDisableVertexAttribArray(uv_id));
if (position_id != -1)
glsafe(::glDisableVertexAttribArray(position_id));
glsafe(::glBindBuffer(GL_ARRAY_BUFFER, 0));
glsafe(::glDeleteBuffers(1, &ibo_id));
glsafe(::glDeleteBuffers(1, &vbo_id));
#if ENABLE_GL_CORE_PROFILE
if (vao_id > 0)
glsafe(::glDeleteVertexArrays(1, &vao_id));
#endif // ENABLE_GL_CORE_PROFILE
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
}
#if ENABLE_GL_CORE_PROFILE || ENABLE_OPENGL_ES
// Restore modified GL state
glsafe(::glBindTexture(GL_TEXTURE_2D, last_texture));
glsafe(::glActiveTexture(last_active_texture));
if (OpenGLManager::get_gl_info().is_version_greater_or_equal_to(3, 0))
glsafe(::glBindVertexArray(last_vertex_array_object));
glsafe(::glBindBuffer(GL_ARRAY_BUFFER, last_array_buffer));
glsafe(::glBlendEquationSeparate(last_blend_equation_rgb, last_blend_equation_alpha));
glsafe(::glBlendFuncSeparate(last_blend_src_rgb, last_blend_dst_rgb, last_blend_src_alpha, last_blend_dst_alpha));
if (last_enable_blend) glsafe(::glEnable(GL_BLEND)); else glsafe(::glDisable(GL_BLEND));
if (last_enable_cull_face) glsafe(::glEnable(GL_CULL_FACE)); else glsafe(::glDisable(GL_CULL_FACE));
if (last_enable_depth_test) glsafe(::glEnable(GL_DEPTH_TEST)); else glsafe(::glDisable(GL_DEPTH_TEST));
if (last_enable_stencil_test) glsafe(::glEnable(GL_STENCIL_TEST)); else glsafe(::glDisable(GL_STENCIL_TEST));
if (last_enable_scissor_test) glsafe(::glEnable(GL_SCISSOR_TEST)); else glsafe(::glDisable(GL_SCISSOR_TEST));
glsafe(::glViewport(last_viewport[0], last_viewport[1], (GLsizei)last_viewport[2], (GLsizei)last_viewport[3]));
glsafe(::glScissor(last_scissor_box[0], last_scissor_box[1], (GLsizei)last_scissor_box[2], (GLsizei)last_scissor_box[3]));
#else
// Restore modified state
glsafe(::glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, last_texture_env_mode));
glsafe(::glBindTexture(GL_TEXTURE_2D, (GLuint)last_texture));
#if !ENABLE_LEGACY_OPENGL_REMOVAL
glsafe(::glDisableClientState(GL_COLOR_ARRAY));
glsafe(::glDisableClientState(GL_TEXTURE_COORD_ARRAY));
glsafe(::glDisableClientState(GL_VERTEX_ARRAY));
glsafe(::glMatrixMode(GL_MODELVIEW));
glsafe(::glPopMatrix());
glsafe(::glMatrixMode(GL_PROJECTION));
glsafe(::glPopMatrix());
#endif // !ENABLE_LEGACY_OPENGL_REMOVAL
glsafe(::glPopAttrib());
glsafe(::glPolygonMode(GL_FRONT, (GLenum)last_polygon_mode[0]);
glsafe(::glPolygonMode(GL_BACK, (GLenum)last_polygon_mode[1])));
glsafe(::glViewport(last_viewport[0], last_viewport[1], (GLsizei)last_viewport[2], (GLsizei)last_viewport[3]));
glsafe(::glScissor(last_scissor_box[0], last_scissor_box[1], (GLsizei)last_scissor_box[2], (GLsizei)last_scissor_box[3]));
#endif // ENABLE_GL_CORE_PROFILE || ENABLE_OPENGL_ES
#if ENABLE_LEGACY_OPENGL_REMOVAL
shader->stop_using();
if (curr_shader != nullptr)
curr_shader->start_using();
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
}
bool ImGuiWrapper::display_initialized() const
{
const ImGuiIO& io = ImGui::GetIO();
return io.DisplaySize.x >= 0.0f && io.DisplaySize.y >= 0.0f;
}
void ImGuiWrapper::destroy_font()
{
if (m_font_texture != 0) {
ImGuiIO& io = ImGui::GetIO();
io.Fonts->TexID = 0;
glsafe(::glDeleteTextures(1, &m_font_texture));
m_font_texture = 0;
}
}
const char* ImGuiWrapper::clipboard_get(void* user_data)
{
ImGuiWrapper *self = reinterpret_cast<ImGuiWrapper*>(user_data);
const char* res = "";
if (wxTheClipboard->Open()) {
if (wxTheClipboard->IsSupported(wxDF_TEXT)) {
wxTextDataObject data;
wxTheClipboard->GetData(data);
if (data.GetTextLength() > 0) {
self->m_clipboard_text = into_u8(data.GetText());
res = self->m_clipboard_text.c_str();
}
}
wxTheClipboard->Close();
}
return res;
}
void ImGuiWrapper::clipboard_set(void* /* user_data */, const char* text)
{
if (wxTheClipboard->Open()) {
wxTheClipboard->SetData(new wxTextDataObject(wxString::FromUTF8(text))); // object owned by the clipboard
wxTheClipboard->Close();
}
}
} // namespace GUI
} // namespace Slic3r