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Viewports: used main viewport for centering (wip), clarified the meaning of how ImGuiPlatformMonitor WorkPos/WorkSize should be set if unknown, added asserts.

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omar
2020-06-23 18:31:44 +02:00
parent a616ff5d4a
commit e1d7e14717
3 changed files with 7 additions and 7 deletions
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5
imgui.cpp
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@@ -7590,9 +7590,8 @@ static void ImGui::ErrorCheckNewFrameSanityChecks()
for (int monitor_n = 0; monitor_n < g.PlatformIO.Monitors.Size; monitor_n++)
{
ImGuiPlatformMonitor& mon = g.PlatformIO.Monitors[monitor_n];
IM_UNUSED(mon);
IM_ASSERT(mon.MainSize.x > 0.0f && mon.MainSize.y > 0.0f && "Monitor bounds not setup properly.");
IM_ASSERT(mon.WorkSize.x > 0.0f && mon.WorkSize.y > 0.0f && "Monitor bounds not setup properly. If you don't have work area information, just copy Min/Max into them.");
IM_ASSERT(mon.MainSize.x > 0.0f && mon.MainSize.y > 0.0f && "Monitor main bounds not setup properly.");
IM_ASSERT(ImRect(mon.MainPos, mon.MainPos + mon.MainSize).Contains(ImRect(mon.WorkPos, mon.WorkPos + mon.WorkSize)) && "Monitor work bounds not setup properly. If you don't have work area information, just copy MainPos/MainSize into them.");
IM_ASSERT(mon.DpiScale != 0.0f);
}
}

5
imgui.h
View File

@@ -2570,7 +2570,7 @@ struct ImGuiPlatformIO
struct ImGuiPlatformMonitor
{
ImVec2 MainPos, MainSize; // Coordinates of the area displayed on this monitor (Min = upper left, Max = bottom right)
ImVec2 WorkPos, WorkSize; // (Optional) Coordinates without task bars / side bars / menu bars. imgui uses this to avoid positioning popups/tooltips inside this region.
ImVec2 WorkPos, WorkSize; // Coordinates without task bars / side bars / menu bars. Used to avoid positioning popups/tooltips inside this region. If you don't have this info, please copy the value for MainPos/MainSize.
float DpiScale; // 1.0f = 96 DPI
ImGuiPlatformMonitor() { MainPos = MainSize = WorkPos = WorkSize = ImVec2(0, 0); DpiScale = 1.0f; }
};
@@ -2621,7 +2621,8 @@ struct ImGuiViewport
ImGuiViewport() { ID = 0; Flags = 0; DpiScale = 0.0f; DrawData = NULL; ParentViewportId = 0; RendererUserData = PlatformUserData = PlatformHandle = PlatformHandleRaw = NULL; PlatformRequestMove = PlatformRequestResize = PlatformRequestClose = false; }
~ImGuiViewport() { IM_ASSERT(PlatformUserData == NULL && RendererUserData == NULL); }
// Access work-area rectangle
// Access work-area rectangle with GetWorkXXX functions (see comments above)
ImVec2 GetCenter() { return ImVec2(Pos.x + Size.x * 0.5f, Pos.y + Size.y * 0.5f); }
ImVec2 GetWorkPos() { return ImVec2(Pos.x + WorkOffsetMin.x, Pos.y + WorkOffsetMin.y); }
ImVec2 GetWorkSize() { return ImVec2(Size.x - WorkOffsetMin.x + WorkOffsetMax.x, Size.y - WorkOffsetMin.y + WorkOffsetMax.y); } // This not clamped
};

4
imgui_demo.cpp
View File

@@ -2923,8 +2923,8 @@ static void ShowDemoWindowPopups()
ImGui::OpenPopup("Delete?");
// Always center this window when appearing
ImVec2 center(ImGui::GetIO().DisplaySize.x * 0.5f, ImGui::GetIO().DisplaySize.y * 0.5f);
ImGui::SetNextWindowPos(center, ImGuiCond_Appearing, ImVec2(0.5f, 0.5f));
ImGuiViewport* viewport = ImGui::GetMainViewport();
ImGui::SetNextWindowPos(viewport->GetCenter(), ImGuiCond_Appearing, ImVec2(0.5f, 0.5f));
if (ImGui::BeginPopupModal("Delete?", NULL, ImGuiWindowFlags_AlwaysAutoResize))
{