PrusaSlicer-NonPlainar/src/slic3r/GUI/GUI_Utils.cpp

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#include "GUI_Utils.hpp"
#include <algorithm>
#include <boost/lexical_cast.hpp>
#include <boost/format.hpp>
#ifdef _WIN32
#include <Windows.h>
#endif
#include <wx/toplevel.h>
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#include <wx/sizer.h>
#include <wx/checkbox.h>
#include <wx/dcclient.h>
#include <wx/font.h>
#include <wx/fontutil.h>
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#include "libslic3r/Config.hpp"
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namespace Slic3r {
namespace GUI {
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wxTopLevelWindow* find_toplevel_parent(wxWindow *window)
{
for (; window != nullptr; window = window->GetParent()) {
if (window->IsTopLevel()) {
return dynamic_cast<wxTopLevelWindow*>(window);
}
}
return nullptr;
}
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void on_window_geometry(wxTopLevelWindow *tlw, std::function<void()> callback)
{
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#ifdef _WIN32
// On windows, the wxEVT_SHOW is not received if the window is created maximized
// cf. https://groups.google.com/forum/#!topic/wx-users/c7ntMt6piRI
// OTOH the geometry is available very soon, so we can call the callback right away
callback();
#elif defined __linux__
tlw->Bind(wxEVT_SHOW, [=](wxShowEvent &evt) {
// On Linux, the geometry is only available after wxEVT_SHOW + CallAfter
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// cf. https://groups.google.com/forum/?pli=1#!topic/wx-users/fERSXdpVwAI
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tlw->CallAfter([=]() { callback(); });
evt.Skip();
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});
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#elif defined __APPLE__
tlw->Bind(wxEVT_SHOW, [=](wxShowEvent &evt) {
callback();
evt.Skip();
});
#endif
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}
wxDEFINE_EVENT(EVT_DPI_CHANGED, DpiChangedEvent);
#ifdef _WIN32
template<class F> typename F::FN winapi_get_function(const wchar_t *dll, const char *fn_name) {
static HINSTANCE dll_handle = LoadLibraryExW(dll, nullptr, 0);
if (dll_handle == nullptr) { return nullptr; }
return (F::FN)GetProcAddress(dll_handle, fn_name);
}
#endif
// If called with nullptr, a DPI for the primary monitor is returned.
int get_dpi_for_window(wxWindow *window)
{
#ifdef _WIN32
enum MONITOR_DPI_TYPE_ {
// This enum is inlined here to avoid build-time dependency
MDT_EFFECTIVE_DPI_ = 0,
MDT_ANGULAR_DPI_ = 1,
MDT_RAW_DPI_ = 2,
MDT_DEFAULT_ = MDT_EFFECTIVE_DPI_,
};
// Need strong types for winapi_get_function() to work
struct GetDpiForWindow_t { typedef HRESULT (WINAPI *FN)(HWND hwnd); };
struct GetDpiForMonitor_t { typedef HRESULT (WINAPI *FN)(HMONITOR hmonitor, MONITOR_DPI_TYPE_ dpiType, UINT *dpiX, UINT *dpiY); };
static auto GetDpiForWindow_fn = winapi_get_function<GetDpiForWindow_t>(L"User32.dll", "GetDpiForWindow");
static auto GetDpiForMonitor_fn = winapi_get_function<GetDpiForMonitor_t>(L"Shcore.dll", "GetDpiForMonitor");
// Desktop Window is the window of the primary monitor.
const HWND hwnd = (window == nullptr) ? ::GetDesktopWindow() : window->GetHandle();
if (GetDpiForWindow_fn != nullptr) {
// We're on Windows 10, we have per-screen DPI settings
return GetDpiForWindow_fn(hwnd);
} else if (GetDpiForMonitor_fn != nullptr) {
// We're on Windows 8.1, we have per-system DPI
// Note: MonitorFromWindow() is available on all Windows.
const HMONITOR monitor = MonitorFromWindow(hwnd, MONITOR_DEFAULTTONEAREST);
UINT dpiX;
UINT dpiY;
return GetDpiForMonitor_fn(monitor, MDT_EFFECTIVE_DPI_, &dpiX, &dpiY) == S_OK ? dpiX : DPI_DEFAULT;
} else {
// We're on Windows earlier than 8.1, use DC
const HDC hdc = GetDC(hwnd);
if (hdc == NULL) { return DPI_DEFAULT; }
return GetDeviceCaps(hdc, LOGPIXELSX);
}
#elif defined __linux__
// TODO
return DPI_DEFAULT;
#elif defined __APPLE__
// TODO
return DPI_DEFAULT;
#endif
}
wxFont get_default_font_for_dpi(int dpi)
{
#ifdef _WIN32
// First try to load the font with the Windows 10 specific way.
struct SystemParametersInfoForDpi_t { typedef BOOL (WINAPI *FN)(UINT uiAction, UINT uiParam, PVOID pvParam, UINT fWinIni, UINT dpi); };
static auto SystemParametersInfoForDpi_fn = winapi_get_function<SystemParametersInfoForDpi_t>(L"User32.dll", "SystemParametersInfoForDpi");
if (SystemParametersInfoForDpi_fn != nullptr) {
NONCLIENTMETRICS nm;
memset(&nm, 0, sizeof(NONCLIENTMETRICS));
nm.cbSize = sizeof(NONCLIENTMETRICS);
if (SystemParametersInfoForDpi_fn(SPI_GETNONCLIENTMETRICS, sizeof(NONCLIENTMETRICS), &nm, 0, dpi)) {
wxNativeFontInfo info;
info.lf = nm.lfMessageFont;
return wxFont(info);
}
}
// Then try to guesstimate the font DPI scaling on Windows 8.
// Let's hope that the font returned by the SystemParametersInfo(), which is used by wxWidgets internally, makes sense.
int dpi_primary = get_dpi_for_window(nullptr);
if (dpi_primary != dpi) {
// Rescale the font.
return wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT).Scaled(float(dpi) / float(dpi_primary));
}
#endif
return wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
}
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CheckboxFileDialog::ExtraPanel::ExtraPanel(wxWindow *parent)
: wxPanel(parent, wxID_ANY)
{
// WARN: wxMSW does some extra shenanigans to calc the extra control size.
// It first calls the create function with a dummy empty wxDialog parent and saves its size.
// Afterwards, the create function is called again with the real parent.
// Additionally there's no way to pass any extra data to the create function (no closure),
// which is why we have to this stuff here. Grrr!
auto *dlg = dynamic_cast<CheckboxFileDialog*>(parent);
const wxString checkbox_label(dlg != nullptr ? dlg->checkbox_label : wxString("String long enough to contain dlg->checkbox_label"));
auto* sizer = new wxBoxSizer(wxHORIZONTAL);
cbox = new wxCheckBox(this, wxID_ANY, checkbox_label);
cbox->SetValue(true);
sizer->AddSpacer(5);
sizer->Add(this->cbox, 0, wxEXPAND | wxALL, 5);
SetSizer(sizer);
sizer->SetSizeHints(this);
}
wxWindow* CheckboxFileDialog::ExtraPanel::ctor(wxWindow *parent) {
return new ExtraPanel(parent);
}
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CheckboxFileDialog::CheckboxFileDialog(wxWindow *parent,
const wxString &checkbox_label,
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bool checkbox_value,
const wxString &message,
const wxString &default_dir,
const wxString &default_file,
const wxString &wildcard,
long style,
const wxPoint &pos,
const wxSize &size,
const wxString &name
)
: wxFileDialog(parent, message, default_dir, default_file, wildcard, style, pos, size, name)
, checkbox_label(checkbox_label)
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{
if (checkbox_label.IsEmpty()) {
return;
}
SetExtraControlCreator(ExtraPanel::ctor);
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}
bool CheckboxFileDialog::get_checkbox_value() const
{
auto *extra_panel = dynamic_cast<ExtraPanel*>(GetExtraControl());
return extra_panel != nullptr ? extra_panel->cbox->GetValue() : false;
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}
WindowMetrics WindowMetrics::from_window(wxTopLevelWindow *window)
{
WindowMetrics res;
res.rect = window->GetScreenRect();
res.maximized = window->IsMaximized();
return res;
}
boost::optional<WindowMetrics> WindowMetrics::deserialize(const std::string &str)
{
std::vector<std::string> metrics_str;
metrics_str.reserve(5);
if (!unescape_strings_cstyle(str, metrics_str) || metrics_str.size() != 5) {
return boost::none;
}
int metrics[5];
try {
for (size_t i = 0; i < 5; i++) {
metrics[i] = boost::lexical_cast<int>(metrics_str[i]);
}
} catch(const boost::bad_lexical_cast &) {
return boost::none;
}
if ((metrics[4] & ~1) != 0) { // Checks if the maximized flag is 1 or 0
metrics[4] = 0;
}
WindowMetrics res;
res.rect = wxRect(metrics[0], metrics[1], metrics[2], metrics[3]);
res.maximized = metrics[4] != 0;
return res;
}
void WindowMetrics::sanitize_for_display(const wxRect &screen_rect)
{
rect = rect.Intersect(screen_rect);
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// Prevent the window from going too far towards the right and/or bottom edge
// It's hardcoded here that the threshold is 80% of the screen size
rect.x = std::min(rect.x, screen_rect.x + 4*screen_rect.width/5);
rect.y = std::min(rect.y, screen_rect.y + 4*screen_rect.height/5);
}
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std::string WindowMetrics::serialize() const
{
return (boost::format("%1%; %2%; %3%; %4%; %5%")
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% rect.x
% rect.y
% rect.width
% rect.height
% static_cast<int>(maximized)
).str();
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}
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std::ostream& operator<<(std::ostream &os, const WindowMetrics& metrics)
{
return os << '(' << metrics.serialize() << ')';
}
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}
}