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Viewport, Platform: Added work area in ImGuiPlatformMonitor. Renamed fields. (#1542)

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This commit is contained in:
omar
2018-04-23 12:38:20 +02:00
parent 456bbffcc4
commit 4433ce4312
5 changed files with 53 additions and 26 deletions
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29
examples/imgui_impl_sdl2.cpp
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@ -30,13 +30,15 @@
#include "imgui_impl_sdl2.h"
// SDL
// (the multi-viewports feature requires SDL features suppoted from SDL 2.0.5+)
#include <SDL.h>
#include <SDL_syswm.h>
#define SDL_HAS_CAPTURE_MOUSE SDL_VERSION_ATLEAST(2,0,4)
#define SDL_HAS_WINDOW_OPACITY SDL_VERSION_ATLEAST(2,0,5)
#define SDL_HAS_ALWAYS_ON_TOP SDL_VERSION_ATLEAST(2,0,5)
#define SDL_HAS_PER_MONITOR_DPI SDL_VERSION_ATLEAST(2,0,4)
#define SDL_HAS_VULKAN SDL_VERSION_ATLEAST(2,0,6)
#define SDL_HAS_CAPTURE_MOUSE SDL_VERSION_ATLEAST(2,0,4)
#define SDL_HAS_WINDOW_OPACITY SDL_VERSION_ATLEAST(2,0,5)
#define SDL_HAS_ALWAYS_ON_TOP SDL_VERSION_ATLEAST(2,0,5)
#define SDL_HAS_USABLE_DISPLAY_BOUNDS SDL_VERSION_ATLEAST(2,0,5)
#define SDL_HAS_PER_MONITOR_DPI SDL_VERSION_ATLEAST(2,0,4)
#define SDL_HAS_VULKAN SDL_VERSION_ATLEAST(2,0,6)
#if !SDL_HAS_VULKAN
static const Uint32 SDL_WINDOW_VULKAN = 0x10000000;
#endif
@ -446,20 +448,27 @@ static int ImGui_ImplSDL2_CreateVkSurface(ImGuiViewport* viewport, ImU64 vk_inst
static void ImGui_ImplSDL2_UpdateMonitors()
{
ImGuiPlatformIO& platform_io = ImGui::GetPlatformIO();
platform_io.Monitors.resize(0);
int display_count = SDL_GetNumVideoDisplays();
platform_io.Monitors.resize(display_count, ImGuiPlatformMonitor());
for (int n = 0; n < display_count; n++)
{
// Warning: the validity of monitor DPI information on Windows depends on the application DPI awareness settings, which generally needs to be set in the manifest or at runtime.
ImGuiPlatformMonitor monitor;
SDL_Rect r;
SDL_GetDisplayBounds(n, &r);
platform_io.Monitors[n].Pos = ImVec2((float)r.x, (float)r.y);
platform_io.Monitors[n].Size = ImVec2((float)r.w, (float)r.h);
monitor.FullMin = monitor.WorkMin = ImVec2((float)(r.x), (float)(r.y));
monitor.FullMax = monitor.WorkMax = ImVec2((float)(r.x + r.w), (float)(r.y + r.h));
#if SDL_HAS_USABLE_DISPLAY_BOUNDS
SDL_GetDisplayUsableBounds(n, &r);
monitor.WorkMin = ImVec2((float)(r.x), (float)(r.y));
monitor.WorkMax = ImVec2((float)(r.x + r.w), (float)(r.y + r.h));
#endif
#if SDL_HAS_PER_MONITOR_DPI
float dpi = 0.0f;
SDL_GetDisplayDPI(n, &dpi, NULL, NULL);
platform_io.Monitors[n].DpiScale = dpi / 96.0f;
if (SDL_GetDisplayDPI(n, &dpi, NULL, NULL))
monitor.DpiScale = dpi / 96.0f;
#endif
platform_io.Monitors.push_back(monitor);
}
}