Improves cursor hotspot location management
This commit is contained in:
@@ -34,15 +34,21 @@ void CursorManager::init (Glib::RefPtr<Gdk::Window> mainWindow)
|
||||
|
||||
#endif
|
||||
|
||||
auto createCursor = [this] (const Glib::ustring &name, const Gdk::CursorType &fb_cursor) -> Glib::RefPtr<Gdk::Cursor>
|
||||
auto createCursor = [this] (const Glib::ustring &name, const Gdk::CursorType &fb_cursor,
|
||||
const double offX = 0., const double offY = 0.) -> Glib::RefPtr<Gdk::Cursor>
|
||||
{
|
||||
// Gdk Cursor Theme is not supported on some OS (ex : MacOS)
|
||||
// Notes:
|
||||
// - Gdk Cursor Theme is not supported on some OS (ex : MacOS).
|
||||
// Cursor is retrieved from theme thanks to an RTSurface
|
||||
// - By default, cursor hotspot is located at middle of surface.
|
||||
// Use (offX, offY) between -1 and 0.99 to move cursor hotspot
|
||||
auto cursor_surf = RTSurface(name, Gtk::ICON_SIZE_MENU);
|
||||
double offXb = std::min(std::max(-1., offX), 0.99); // offX should belong to (-1; 0.99)
|
||||
double offYb = std::min(std::max(-1., offY), 0.99); // offY should belong to (-1; 0.99)
|
||||
auto cursor = Gdk::Cursor::create(this->display,
|
||||
cursor_surf.get(),
|
||||
cursor_surf.getWidth(),
|
||||
cursor_surf.getHeight());
|
||||
cursor_surf.getWidth() / 2 * (1. + offXb),
|
||||
cursor_surf.getHeight() / 2 * (1. + offYb));
|
||||
|
||||
if (!cursor) {
|
||||
cursor = Gdk::Cursor::create(this->display, fb_cursor);
|
||||
@@ -52,7 +58,7 @@ void CursorManager::init (Glib::RefPtr<Gdk::Window> mainWindow)
|
||||
};
|
||||
|
||||
cAdd = createCursor("crosshair-small", Gdk::PLUS);
|
||||
cAddPicker = createCursor("color-picker-add-hicontrast", Gdk::PLUS);
|
||||
cAddPicker = createCursor("color-picker-add-hicontrast", Gdk::PLUS, -0.333, 0.75);
|
||||
cCropDraw = createCursor("crop-point-hicontrast", Gdk::DIAMOND_CROSS);
|
||||
cCrosshair = createCursor("crosshair-hicontrast", Gdk::CROSSHAIR);
|
||||
cEmpty = createCursor("empty", Gdk::BLANK_CURSOR);
|
||||
@@ -68,7 +74,7 @@ void CursorManager::init (Glib::RefPtr<Gdk::Window> mainWindow)
|
||||
cMoveXY = createCursor("node-move-xy-hicontrast", Gdk::FLEUR);
|
||||
cMoveY = createCursor("node-move-y-hicontrast", Gdk::SB_V_DOUBLE_ARROW);
|
||||
cRotate = createCursor("rotate-aroundnode-hicontrast", Gdk::EXCHANGE);
|
||||
cWB = createCursor("color-picker-hicontrast", Gdk::TARGET);
|
||||
cWB = createCursor("color-picker-hicontrast", Gdk::TARGET, -0.333, 0.75);
|
||||
cWait = createCursor("gears", Gdk::CLOCK);
|
||||
|
||||
window = mainWindow;
|
||||
|
Reference in New Issue
Block a user