3DPrinting/PrusaSlicer-NonPlainar
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

(Win Only) Detection of cursor size, to place tooltips on scene, performed on tooltip text setting instead of being repeated every frame

Browse source
This commit is contained in:
enricoturri1966 2022-12-06 13:49:05 +01:00
parent cf37f154ee
commit 5351137183
3 changed files with 38 additions and 39 deletions
Download patch file Download diff file Expand all files Collapse all files

72
src/slic3r/GUI/GLCanvas3D.cpp
View file

@ -773,53 +773,55 @@ void GLCanvas3D::Labels::render(const std::vector<const ModelInstance*>& sorted_
}
}
static float get_cursor_height()
{
float ret = 16.0f;
#ifdef _WIN32
// see: https://forums.codeguru.com/showthread.php?449040-get-the-system-current-cursor-size
// this code is not perfect because it returns a maximum height equal to 31 even if the cursor bitmap shown on screen is bigger
// but at least it gives the same result as wxWidgets in the settings tabs
ICONINFO ii;
if (::GetIconInfo((HICON)GetCursor(), &ii) != 0) {
BITMAP bitmap;
::GetObject(ii.hbmMask, sizeof(BITMAP), &bitmap);
const int width = bitmap.bmWidth;
const int height = (ii.hbmColor == nullptr) ? bitmap.bmHeight / 2 : bitmap.bmHeight;
HDC dc = ::CreateCompatibleDC(nullptr);
if (dc != nullptr) {
if (::SelectObject(dc, ii.hbmMask) != nullptr) {
for (int i = 0; i < width; ++i) {
for (int j = 0; j < height; ++j) {
if (::GetPixel(dc, i, j) != RGB(255, 255, 255)) {
if (ret < float(j))
ret = float(j);
}
}
}
::DeleteDC(dc);
}
}
::DeleteObject(ii.hbmColor);
::DeleteObject(ii.hbmMask);
}
#endif // _WIN32
return ret;
}
void GLCanvas3D::Tooltip::set_text(const std::string& text)
{
// If the mouse is inside an ImGUI dialog, then the tooltip is suppressed.
m_text = m_in_imgui ? std::string() : text;
m_cursor_height = get_cursor_height();
}
void GLCanvas3D::Tooltip::render(const Vec2d& mouse_position, GLCanvas3D& canvas)
{
static ImVec2 size(0.0f, 0.0f);
auto validate_position = [](const Vec2d& position, const GLCanvas3D& canvas, const ImVec2& wnd_size) {
auto calc_cursor_height = []() {
float ret = 16.0f;
#ifdef _WIN32
// see: https://forums.codeguru.com/showthread.php?449040-get-the-system-current-cursor-size
// this code is not perfect because it returns a maximum height equal to 31 even if the cursor bitmap shown on screen is bigger
// but at least it gives the same result as wxWidgets in the settings tabs
ICONINFO ii;
if (::GetIconInfo((HICON)GetCursor(), &ii) != 0) {
BITMAP bitmap;
::GetObject(ii.hbmMask, sizeof(BITMAP), &bitmap);
int width = bitmap.bmWidth;
int height = (ii.hbmColor == nullptr) ? bitmap.bmHeight / 2 : bitmap.bmHeight;
HDC dc = ::CreateCompatibleDC(nullptr);
if (dc != nullptr) {
if (::SelectObject(dc, ii.hbmMask) != nullptr) {
for (int i = 0; i < width; ++i) {
for (int j = 0; j < height; ++j) {
if (::GetPixel(dc, i, j) != RGB(255, 255, 255)) {
if (ret < float(j))
ret = float(j);
}
}
}
::DeleteDC(dc);
}
}
::DeleteObject(ii.hbmColor);
::DeleteObject(ii.hbmMask);
}
#endif // _WIN32
return ret;
};
auto validate_position = [this](const Vec2d& position, const GLCanvas3D& canvas, const ImVec2& wnd_size) {
const Size cnv_size = canvas.get_canvas_size();
const float x = std::clamp(float(position.x()), 0.0f, float(cnv_size.get_width()) - wnd_size.x);
const float y = std::clamp(float(position.y()) + calc_cursor_height(), 0.0f, float(cnv_size.get_height()) - wnd_size.y);
const float y = std::clamp(float(position.y()) + m_cursor_height, 0.0f, float(cnv_size.get_height()) - wnd_size.y);
return Vec2f(x, y);
};