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Added SetItemAllowOverlap() exposed in imgui_internal.h only

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ocornut 2015-12-03 21:30:17 +00:00
parent 18724f021a
commit ecc97bda7d
2 changed files with 22 additions and 11 deletions
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24
imgui.cpp
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@ -1606,7 +1606,7 @@ void ImGui::SetActiveID(ImGuiID id, ImGuiWindow* window = NULL)
{ {
ImGuiState& g = *GImGui; ImGuiState& g = *GImGui;
g.ActiveId = id; g.ActiveId = id;
g.ActiveIdAllowHoveringOthers = false; g.ActiveIdAllowOverlap = false;
g.ActiveIdIsJustActivated = true; g.ActiveIdIsJustActivated = true;
g.ActiveIdWindow = window; g.ActiveIdWindow = window;
} }
@ -1615,7 +1615,7 @@ void ImGui::SetHoveredID(ImGuiID id)
{ {
ImGuiState& g = *GImGui; ImGuiState& g = *GImGui;
g.HoveredId = id; g.HoveredId = id;
g.HoveredIdAllowHoveringOthers = false; g.HoveredIdAllowOverlap = false;
} }
void ImGui::KeepAliveID(ImGuiID id) void ImGui::KeepAliveID(ImGuiID id)
@ -1676,7 +1676,7 @@ bool ImGui::ItemAdd(const ImRect& bb, const ImGuiID* id)
window->DC.LastItemHoveredRect = true; window->DC.LastItemHoveredRect = true;
window->DC.LastItemHoveredAndUsable = false; window->DC.LastItemHoveredAndUsable = false;
if (g.HoveredRootWindow == window->RootWindow) if (g.HoveredRootWindow == window->RootWindow)
if (g.ActiveId == 0 || (id && g.ActiveId == *id) || g.ActiveIdAllowHoveringOthers || (g.ActiveId == window->MoveID)) if (g.ActiveId == 0 || (id && g.ActiveId == *id) || g.ActiveIdAllowOverlap || (g.ActiveId == window->MoveID))
if (IsWindowContentHoverable(window)) if (IsWindowContentHoverable(window))
window->DC.LastItemHoveredAndUsable = true; window->DC.LastItemHoveredAndUsable = true;
} }
@ -1705,11 +1705,11 @@ bool ImGui::IsClippedEx(const ImRect& bb, const ImGuiID* id, bool clip_even_when
bool ImGui::IsHovered(const ImRect& bb, ImGuiID id, bool flatten_childs) bool ImGui::IsHovered(const ImRect& bb, ImGuiID id, bool flatten_childs)
{ {
ImGuiState& g = *GImGui; ImGuiState& g = *GImGui;
if (g.HoveredId == 0 || g.HoveredId == id || g.HoveredIdAllowHoveringOthers) if (g.HoveredId == 0 || g.HoveredId == id || g.HoveredIdAllowOverlap)
{ {
ImGuiWindow* window = GetCurrentWindowRead(); ImGuiWindow* window = GetCurrentWindowRead();
if (g.HoveredWindow == window || (flatten_childs && g.HoveredRootWindow == window->RootWindow)) if (g.HoveredWindow == window || (flatten_childs && g.HoveredRootWindow == window->RootWindow))
if ((g.ActiveId == 0 || g.ActiveId == id || g.ActiveIdAllowHoveringOthers) && ImGui::IsMouseHoveringRect(bb.Min, bb.Max)) if ((g.ActiveId == 0 || g.ActiveId == id || g.ActiveIdAllowOverlap) && ImGui::IsMouseHoveringRect(bb.Min, bb.Max))
if (IsWindowContentHoverable(g.HoveredRootWindow)) if (IsWindowContentHoverable(g.HoveredRootWindow))
return true; return true;
} }
@ -1937,7 +1937,7 @@ void ImGui::NewFrame()
// Clear reference to active widget if the widget isn't alive anymore // Clear reference to active widget if the widget isn't alive anymore
g.HoveredIdPreviousFrame = g.HoveredId; g.HoveredIdPreviousFrame = g.HoveredId;
g.HoveredId = 0; g.HoveredId = 0;
g.HoveredIdAllowHoveringOthers = false; g.HoveredIdAllowOverlap = false;
if (!g.ActiveIdIsAlive && g.ActiveIdPreviousFrame == g.ActiveId && g.ActiveId != 0) if (!g.ActiveIdIsAlive && g.ActiveIdPreviousFrame == g.ActiveId && g.ActiveId != 0)
SetActiveID(0); SetActiveID(0);
g.ActiveIdPreviousFrame = g.ActiveId; g.ActiveIdPreviousFrame = g.ActiveId;
@ -3027,6 +3027,16 @@ bool ImGui::IsItemVisible()
return r.Overlaps(window->DC.LastItemRect); return r.Overlaps(window->DC.LastItemRect);
} }
// Allow last item to be overlapped by a subsequent item. Both may be activated during the same frame before the later one takes priority.
void ImGui::SetItemAllowOverlap()
{
ImGuiState& g = *GImGui;
if (g.HoveredId == g.CurrentWindow->DC.LastItemID)
g.HoveredIdAllowOverlap = true;
if (g.ActiveId == g.CurrentWindow->DC.LastItemID)
g.ActiveIdAllowOverlap = true;
}
ImVec2 ImGui::GetItemRectMin() ImVec2 ImGui::GetItemRectMin()
{ {
ImGuiWindow* window = GetCurrentWindowRead(); ImGuiWindow* window = GetCurrentWindowRead();
@ -7279,7 +7289,7 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
// Although we are active we don't prevent mouse from hovering other elements unless we are interacting right now with the widget. // Although we are active we don't prevent mouse from hovering other elements unless we are interacting right now with the widget.
// Down the line we should have a cleaner library-wide concept of Selected vs Active. // Down the line we should have a cleaner library-wide concept of Selected vs Active.
g.ActiveIdAllowHoveringOthers = !io.MouseDown[0]; g.ActiveIdAllowOverlap = !io.MouseDown[0];
// Edit in progress // Edit in progress
const float mouse_x = (g.IO.MousePos.x - frame_bb.Min.x - style.FramePadding.x) + edit_state.ScrollX; const float mouse_x = (g.IO.MousePos.x - frame_bb.Min.x - style.FramePadding.x) + edit_state.ScrollX;

9
imgui_internal.h
View file

@ -360,13 +360,13 @@ struct ImGuiState
ImGuiWindow* HoveredWindow; // Will catch mouse inputs ImGuiWindow* HoveredWindow; // Will catch mouse inputs
ImGuiWindow* HoveredRootWindow; // Will catch mouse inputs (for focus/move only) ImGuiWindow* HoveredRootWindow; // Will catch mouse inputs (for focus/move only)
ImGuiID HoveredId; // Hovered widget ImGuiID HoveredId; // Hovered widget
bool HoveredIdAllowHoveringOthers; bool HoveredIdAllowOverlap;
ImGuiID HoveredIdPreviousFrame; ImGuiID HoveredIdPreviousFrame;
ImGuiID ActiveId; // Active widget ImGuiID ActiveId; // Active widget
ImGuiID ActiveIdPreviousFrame; ImGuiID ActiveIdPreviousFrame;
bool ActiveIdIsAlive; bool ActiveIdIsAlive;
bool ActiveIdIsJustActivated; // Set at the time of activation for one frame bool ActiveIdIsJustActivated; // Set at the time of activation for one frame
bool ActiveIdAllowHoveringOthers; // Set only by active widget bool ActiveIdAllowOverlap; // Set only by active widget
ImGuiWindow* ActiveIdWindow; ImGuiWindow* ActiveIdWindow;
ImGuiWindow* MovedWindow; // Track the child window we clicked on to move a window. Pointer is only valid if ActiveID is the "#MOVE" identifier of a window. ImGuiWindow* MovedWindow; // Track the child window we clicked on to move a window. Pointer is only valid if ActiveID is the "#MOVE" identifier of a window.
ImVector<ImGuiIniData> Settings; // .ini Settings ImVector<ImGuiIniData> Settings; // .ini Settings
@ -445,13 +445,13 @@ struct ImGuiState
HoveredWindow = NULL; HoveredWindow = NULL;
HoveredRootWindow = NULL; HoveredRootWindow = NULL;
HoveredId = 0; HoveredId = 0;
HoveredIdAllowHoveringOthers = false; HoveredIdAllowOverlap = false;
HoveredIdPreviousFrame = 0; HoveredIdPreviousFrame = 0;
ActiveId = 0; ActiveId = 0;
ActiveIdPreviousFrame = 0; ActiveIdPreviousFrame = 0;
ActiveIdIsAlive = false; ActiveIdIsAlive = false;
ActiveIdIsJustActivated = false; ActiveIdIsJustActivated = false;
ActiveIdAllowHoveringOthers = false; ActiveIdAllowOverlap = false;
ActiveIdWindow = NULL; ActiveIdWindow = NULL;
MovedWindow = NULL; MovedWindow = NULL;
SettingsDirtyTimer = 0.0f; SettingsDirtyTimer = 0.0f;
@ -683,6 +683,7 @@ namespace ImGui
IMGUI_API void FocusableItemUnregister(ImGuiWindow* window); IMGUI_API void FocusableItemUnregister(ImGuiWindow* window);
IMGUI_API ImVec2 CalcItemSize(ImVec2 size, float default_x, float default_y); IMGUI_API ImVec2 CalcItemSize(ImVec2 size, float default_x, float default_y);
IMGUI_API float CalcWrapWidthForPos(const ImVec2& pos, float wrap_pos_x); IMGUI_API float CalcWrapWidthForPos(const ImVec2& pos, float wrap_pos_x);
IMGUI_API void SetItemAllowOverlap(); // Allow last item to be overlapped by a subsequent item
// NB: All position are in absolute pixels coordinates (not window coordinates) // NB: All position are in absolute pixels coordinates (not window coordinates)
IMGUI_API void RenderText(ImVec2 pos, const char* text, const char* text_end = NULL, bool hide_text_after_hash = true); IMGUI_API void RenderText(ImVec2 pos, const char* text, const char* text_end = NULL, bool hide_text_after_hash = true);