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Add a way for Backend to signal scale changes

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On Wayland the scale now changes to the correct value as the Tracy
window is moved across monitors.

If the scale is overridden from environment, it does not change, just
like before.
This commit is contained in:
Ivan Molodetskikh
2024-01-24 12:34:23 +04:00
parent bf3bd28bfa
commit 16434f116c
4 changed files with 22 additions and 5 deletions
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profiler/src/BackendWayland.cpp
+4 -1
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@@ -160,6 +160,7 @@ constexpr ImGuiKey s_keyTable[] = {
};
static std::function<void()> s_redraw;
static std::function<void(float)> s_scaleChanged;
static RunQueue* s_mainThreadTasks;
static struct wl_display* s_dpy;
@@ -662,9 +663,10 @@ static void SetupCursor()
s_cursorY = cursor->images[0]->hotspot_y / s_maxScale;
}
Backend::Backend( const char* title, const std::function<void()>& redraw, RunQueue* mainThreadTasks )
Backend::Backend( const char* title, const std::function<void()>& redraw, const std::function<void(float)>& scaleChanged, RunQueue* mainThreadTasks )
{
s_redraw = redraw;
s_scaleChanged = scaleChanged;
s_mainThreadTasks = mainThreadTasks;
s_w = m_winPos.w;
s_h = m_winPos.h;
@@ -820,6 +822,7 @@ void Backend::NewFrame( int& w, int& h )
{
if( s_prevScale != s_maxScale )
{
s_scaleChanged( s_maxScale );
SetupCursor();
wl_surface_set_buffer_scale( s_surf, s_maxScale );
s_prevScale = s_maxScale;