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Drag and Drop: TreeNode as drop target displays rectangle over full frame. Added optional internal storage for item display rect. Will expose later. (#1597, #143)

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This commit is contained in:
omar
2018-02-06 13:46:14 +01:00
parent c6ba7c8231
commit b50dce54ea
2 changed files with 19 additions and 11 deletions
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13
imgui_internal.h
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@ -220,7 +220,8 @@ enum ImGuiSeparatorFlags_
// Storage for LastItem data
enum ImGuiItemStatusFlags_
{
ImGuiItemStatusFlags_HoveredRect = 1 << 0
ImGuiItemStatusFlags_HoveredRect = 1 << 0,
ImGuiItemStatusFlags_HasDisplayRect = 1 << 1
};
// FIXME: this is in development, not exposed/functional as a generic feature yet.
@ -709,6 +710,7 @@ struct IMGUI_API ImGuiDrawContext
ImGuiID LastItemId;
ImGuiItemStatusFlags LastItemStatusFlags;
ImRect LastItemRect; // Interaction rect
ImRect LastItemDisplayRect; // End-user display rect (only valid if LastItemStatusFlags & ImGuiItemStatusFlags_HasDisplayRect)
bool MenuBarAppending;
float MenuBarOffsetX;
ImVector<ImGuiWindow*> ChildWindows;
@ -739,7 +741,7 @@ struct IMGUI_API ImGuiDrawContext
TreeDepth = 0;
LastItemId = 0;
LastItemStatusFlags = 0;
LastItemRect = ImRect();
LastItemRect = LastItemDisplayRect = ImRect();
MenuBarAppending = false;
MenuBarOffsetX = 0.0f;
StateStorage = NULL;
@ -847,12 +849,13 @@ public:
struct ImGuiItemHoveredDataBackup
{
ImGuiID LastItemId;
ImGuiItemStatusFlags LastItemFlags;
ImGuiItemStatusFlags LastItemStatusFlags;
ImRect LastItemRect;
ImRect LastItemDisplayRect;
ImGuiItemHoveredDataBackup() { Backup(); }
void Backup() { ImGuiWindow* window = GImGui->CurrentWindow; LastItemId = window->DC.LastItemId; LastItemFlags = window->DC.LastItemStatusFlags; LastItemRect = window->DC.LastItemRect; }
void Restore() const { ImGuiWindow* window = GImGui->CurrentWindow; window->DC.LastItemId = LastItemId; window->DC.LastItemStatusFlags = LastItemFlags; window->DC.LastItemRect = LastItemRect; }
void Backup() { ImGuiWindow* window = GImGui->CurrentWindow; LastItemId = window->DC.LastItemId; LastItemStatusFlags = window->DC.LastItemStatusFlags; LastItemRect = window->DC.LastItemRect; LastItemDisplayRect = window->DC.LastItemDisplayRect; }
void Restore() const { ImGuiWindow* window = GImGui->CurrentWindow; window->DC.LastItemId = LastItemId; window->DC.LastItemStatusFlags = LastItemStatusFlags; window->DC.LastItemRect = LastItemRect; window->DC.LastItemDisplayRect = LastItemDisplayRect; }
};
//-----------------------------------------------------------------------------