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Viewport: shuffled some code in the UpdateSelectWindowViewport() function.

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This commit is contained in:
omar 2018-04-10 17:05:20 +02:00
parent 74a11e2087
commit 0eaddb4dcd
1 changed files with 28 additions and 35 deletions
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63
imgui.cpp
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@ -3312,7 +3312,7 @@ static void ImGui::NewFrameUpdateMovingWindowDropViewport(ImGuiWindow* window)
} }
else else
{ {
// Create new viewport // Create/persist new viewport
ImVec2 platform_pos = ConvertViewportPosToPlatformPos(window->Pos, window->Viewport); ImVec2 platform_pos = ConvertViewportPosToPlatformPos(window->Pos, window->Viewport);
ImGuiViewportP* viewport = Viewport(window, window->ID, 0, platform_pos, window->Size); ImGuiViewportP* viewport = Viewport(window, window->ID, 0, platform_pos, window->Size);
SetWindowViewportTranslateToPreservePlatformPos(window, window->Viewport, viewport); SetWindowViewportTranslateToPreservePlatformPos(window, window->Viewport, viewport);
@ -6089,10 +6089,32 @@ static void ImGui::UpdateSelectWindowViewport(ImGuiWindow* window)
} }
const bool window_is_mouse_tooltip = (flags & ImGuiWindowFlags_Tooltip) && g.NavDisableHighlight && !g.NavDisableMouseHover; const bool window_is_mouse_tooltip = (flags & ImGuiWindowFlags_Tooltip) && g.NavDisableHighlight && !g.NavDisableMouseHover;
const bool window_follow_mouse_viewport = (window_is_mouse_tooltip || (g.MovingWindow && g.MovingWindow->RootWindow == window)); const bool window_follow_mouse_viewport = window_is_mouse_tooltip || (g.MovingWindow && g.MovingWindow->RootWindow == window);
bool created_viewport = false; bool created_viewport = false;
// Appearing popups reset their viewport so they can inherit again
const bool window_just_appearing_after_hidden_for_resize = (window->HiddenFrames > 0);
if ((flags & ImGuiWindowFlags_Popup) && window_just_appearing_after_hidden_for_resize)
window->Viewport = NULL;
// By default inherit from parent window
if (window->Viewport == NULL && window->ParentWindow)
window->Viewport = window->ParentWindow->Viewport;
// Attempt to restore saved viewport id (= window that hasn't been activated yet), try to restore the viewport based on saved 'window->ViewportPlatformPos' from .ini file
if (window->Viewport == NULL && window->ViewportId != 0)
{
window->Viewport = FindViewportByID(window->ViewportId);
if (window->Viewport == NULL && window->ViewportPlatformPos.x != FLT_MAX && window->ViewportPlatformPos.y != FLT_MAX)
{
ImGuiViewportP* viewport = Viewport(window, window->ID, ImGuiViewportFlags_NoDecoration, window->ViewportPlatformPos, window->Size);
window->Flags |= ImGuiWindowFlags_FullViewport;
window->Viewport = viewport;
created_viewport = true;
}
}
if (g.NextWindowData.ViewportCond) if (g.NextWindowData.ViewportCond)
{ {
// Code explicitly request a viewport // Code explicitly request a viewport
@ -6106,7 +6128,7 @@ static void ImGui::UpdateSelectWindowViewport(ImGuiWindow* window)
else if (window_follow_mouse_viewport && IsMousePosValid()) else if (window_follow_mouse_viewport && IsMousePosValid())
{ {
ImGuiViewportP* current_viewport = window->Viewport; ImGuiViewportP* current_viewport = window->Viewport;
if (!window_is_mouse_tooltip && !current_viewport->GetRect().Contains(window->Rect())) if (!window_is_mouse_tooltip && (current_viewport == NULL || !current_viewport->GetRect().Contains(window->Rect())))
{ {
// Calculate mouse position in OS/platform coordinates, create a Viewport at this position. // Calculate mouse position in OS/platform coordinates, create a Viewport at this position.
ImVec2 platform_pos = ConvertViewportPosToPlatformPos(g.IO.MousePos - g.ActiveIdClickOffset, g.MousePosViewport); ImVec2 platform_pos = ConvertViewportPosToPlatformPos(g.IO.MousePos - g.ActiveIdClickOffset, g.MousePosViewport);
@ -6120,8 +6142,8 @@ static void ImGui::UpdateSelectWindowViewport(ImGuiWindow* window)
{ {
// When dragging a window back into another, only change viewport on mouse release (in UpdateMovingWindow()). // When dragging a window back into another, only change viewport on mouse release (in UpdateMovingWindow()).
// This is so we don't require of the multi-viewport windowing back-end to preserve mouse buttons after a window closure, making it easier to implement them. // This is so we don't require of the multi-viewport windowing back-end to preserve mouse buttons after a window closure, making it easier to implement them.
bool preserve_temporary_viewport = g.MovingWindow && g.MovingWindow->RootWindow == window && (window->Viewport->Flags & ImGuiWindowFlags_FullViewport); bool preserve_viewport = g.MovingWindow && g.MovingWindow->RootWindow == window && (window->Viewport->Flags & ImGuiWindowFlags_FullViewport);
if (!preserve_temporary_viewport) if (!preserve_viewport)
window->Viewport = g.MousePosViewport; window->Viewport = g.MousePosViewport;
} }
} }
@ -6130,35 +6152,6 @@ static void ImGui::UpdateSelectWindowViewport(ImGuiWindow* window)
window->Viewport = g.NavWindow->Viewport; window->Viewport = g.NavWindow->Viewport;
} }
// Appearing popups reset their viewport so they can inherit again
const bool window_just_appearing_after_hidden_for_resize = (window->HiddenFrames == 1);
if ((flags & ImGuiWindowFlags_Popup) && window_just_appearing_after_hidden_for_resize)
window->Viewport = NULL;
// By default inherit from parent window
if (window->Viewport == NULL && window->ParentWindow)
window->Viewport = window->ParentWindow->Viewport;
// Restore a viewport id (= window that hasn't been activated yet), try to restore the viewport based on saved 'window->ViewportPlatformPos'
if (window->Viewport == NULL && window->ViewportId != 0)
{
window->Viewport = FindViewportByID(window->ViewportId);
if (window->Viewport == NULL)
{
if (window->ViewportPlatformPos.x != FLT_MAX && window->ViewportPlatformPos.y != FLT_MAX)
{
ImGuiViewportP* viewport = Viewport(window, window->ID, ImGuiViewportFlags_NoDecoration, window->ViewportPlatformPos, window->Size);
window->Flags |= ImGuiWindowFlags_FullViewport;
window->Viewport = viewport;
created_viewport = true;
}
else
{
window->ViewportId = 0;
}
}
}
// Fallback to default viewport // Fallback to default viewport
if (window->Viewport == NULL) if (window->Viewport == NULL)
window->Viewport = main_viewport; window->Viewport = main_viewport;
@ -14151,7 +14144,7 @@ void ImGui::ShowMetricsWindow(bool* p_open)
ImGui::BulletText("NavRectRel[0]: (%.1f,%.1f)(%.1f,%.1f)", window->NavRectRel[0].Min.x, window->NavRectRel[0].Min.y, window->NavRectRel[0].Max.x, window->NavRectRel[0].Max.y); ImGui::BulletText("NavRectRel[0]: (%.1f,%.1f)(%.1f,%.1f)", window->NavRectRel[0].Min.x, window->NavRectRel[0].Min.y, window->NavRectRel[0].Max.x, window->NavRectRel[0].Max.y);
else else
ImGui::BulletText("NavRectRel[0]: <None>"); ImGui::BulletText("NavRectRel[0]: <None>");
ImGui::BulletText("Viewport: %d, ViewportId: 0x%08X", window->Viewport ? window->Viewport->Idx : -1, window->ViewportId); ImGui::BulletText("Viewport: %d, ViewportId: 0x%08X, ViewportPlatformPos: (%.1f,%.1f)", window->Viewport ? window->Viewport->Idx : -1, window->ViewportId, window->ViewportPlatformPos.x, window->ViewportPlatformPos.y);
if (window->RootWindow != window) NodeWindow(window->RootWindow, "RootWindow"); if (window->RootWindow != window) NodeWindow(window->RootWindow, "RootWindow");
if (window->DC.ChildWindows.Size > 0) NodeWindows(window->DC.ChildWindows, "ChildWindows"); if (window->DC.ChildWindows.Size > 0) NodeWindows(window->DC.ChildWindows, "ChildWindows");
if (window->ColumnsStorage.Size > 0 && ImGui::TreeNode("Columns", "Columns sets (%d)", window->ColumnsStorage.Size)) if (window->ColumnsStorage.Size > 0 && ImGui::TreeNode("Columns", "Columns sets (%d)", window->ColumnsStorage.Size))