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Added IsItemVisible(). Made IsClipped() also return false when log is enabled.

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docking
ocornut 10 years ago
parent 16ddd796f3
commit d11b4160aa
2 changed files with 20 additions and 9 deletions
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26
imgui.cpp
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@ -491,7 +491,7 @@ static bool ItemAdd(const ImRect& bb, const ImGuiID* id);
static void ItemSize(ImVec2 size, float text_offset_y = 0.0f); static void ItemSize(ImVec2 size, float text_offset_y = 0.0f);
static void ItemSize(const ImRect& bb, float text_offset_y = 0.0f); static void ItemSize(const ImRect& bb, float text_offset_y = 0.0f);
static void PushColumnClipRect(int column_index = -1); static void PushColumnClipRect(int column_index = -1);
static bool IsClipped(const ImRect& bb); static bool IsClippedEx(const ImRect& bb, bool clip_even_when_logged);
static bool IsMouseHoveringRect(const ImRect& bb); static bool IsMouseHoveringRect(const ImRect& bb);
static bool IsKeyPressedMap(ImGuiKey key, bool repeat = true); static bool IsKeyPressedMap(ImGuiKey key, bool repeat = true);
@ -2746,6 +2746,13 @@ bool ImGui::IsAnyItemActive()
return g.ActiveId != 0; return g.ActiveId != 0;
} }
bool ImGui::IsItemVisible()
{
ImGuiWindow* window = GetCurrentWindow();
ImRect r(window->ClipRectStack.back());
return r.Overlaps(window->DC.LastItemRect);
}
ImVec2 ImGui::GetItemRectMin() ImVec2 ImGui::GetItemRectMin()
{ {
ImGuiWindow* window = GetCurrentWindow(); ImGuiWindow* window = GetCurrentWindow();
@ -4245,7 +4252,7 @@ void ImGui::TextUnformatted(const char* text, const char* text_end)
while (line < text_end) while (line < text_end)
{ {
const char* line_end = strchr(line, '\n'); const char* line_end = strchr(line, '\n');
if (IsClipped(line_rect)) if (IsClippedEx(line_rect, false))
break; break;
const ImVec2 line_size = CalcTextSize(line, line_end, false); const ImVec2 line_size = CalcTextSize(line, line_end, false);
@ -7242,20 +7249,23 @@ static inline void ItemSize(const ImRect& bb, float text_offset_y)
ItemSize(bb.GetSize(), text_offset_y); ItemSize(bb.GetSize(), text_offset_y);
} }
static bool IsClipped(const ImRect& bb) static bool IsClippedEx(const ImRect& bb, bool clip_even_when_logged)
{ {
ImGuiState& g = *GImGui; ImGuiState& g = *GImGui;
ImGuiWindow* window = GetCurrentWindow(); ImGuiWindow* window = GetCurrentWindow();
if (!bb.Overlaps(ImRect(window->ClipRectStack.back())) && !g.LogEnabled) if (!bb.Overlaps(ImRect(window->ClipRectStack.back())))
return true; {
if (clip_even_when_logged || !g.LogEnabled)
return true;
}
return false; return false;
} }
bool ImGui::IsClipped(const ImVec2& item_size) bool ImGui::IsClipped(const ImVec2& item_size)
{ {
ImGuiWindow* window = GetCurrentWindow(); ImGuiWindow* window = GetCurrentWindow();
return IsClipped(ImRect(window->DC.CursorPos, window->DC.CursorPos + item_size)); return IsClippedEx(ImRect(window->DC.CursorPos, window->DC.CursorPos + item_size), true);
} }
static bool ItemAdd(const ImRect& bb, const ImGuiID* id) static bool ItemAdd(const ImRect& bb, const ImGuiID* id)
@ -7263,7 +7273,7 @@ static bool ItemAdd(const ImRect& bb, const ImGuiID* id)
ImGuiWindow* window = GetCurrentWindow(); ImGuiWindow* window = GetCurrentWindow();
window->DC.LastItemID = id ? *id : 0; window->DC.LastItemID = id ? *id : 0;
window->DC.LastItemRect = bb; window->DC.LastItemRect = bb;
if (IsClipped(bb)) if (IsClippedEx(bb, false))
{ {
if (!id || *id != GImGui->ActiveId) if (!id || *id != GImGui->ActiveId)
{ {
@ -7498,7 +7508,7 @@ void ImGui::Columns(int columns_count, const char* id, bool border)
const ImGuiID column_id = window->DC.ColumnsSetID + ImGuiID(i); const ImGuiID column_id = window->DC.ColumnsSetID + ImGuiID(i);
const ImRect column_rect(ImVec2(x-4,y1),ImVec2(x+4,y2)); const ImRect column_rect(ImVec2(x-4,y1),ImVec2(x+4,y2));
if (IsClipped(column_rect)) if (IsClippedEx(column_rect, false))
continue; continue;
bool hovered, held; bool hovered, held;

3
imgui.h
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@ -373,7 +373,8 @@ namespace ImGui
IMGUI_API bool IsItemHoveredRect(); // was the last item hovered by mouse? even if another item is active while we are hovering this IMGUI_API bool IsItemHoveredRect(); // was the last item hovered by mouse? even if another item is active while we are hovering this
IMGUI_API bool IsItemActive(); // was the last item active? (e.g. button being held, text field being edited- items that don't interact will always return false) IMGUI_API bool IsItemActive(); // was the last item active? (e.g. button being held, text field being edited- items that don't interact will always return false)
IMGUI_API bool IsAnyItemActive(); // IMGUI_API bool IsAnyItemActive(); //
IMGUI_API ImVec2 GetItemRectMin(); // get bounding rect of last item IMGUI_API bool IsItemVisible();
IMGUI_API ImVec2 GetItemRectMin(); // get bounding rect of last item in screen space
IMGUI_API ImVec2 GetItemRectMax(); // " IMGUI_API ImVec2 GetItemRectMax(); // "
IMGUI_API ImVec2 GetItemRectSize(); // " IMGUI_API ImVec2 GetItemRectSize(); // "
IMGUI_API bool IsWindowFocused(); // is current window focused (differentiate child windows from each others) IMGUI_API bool IsWindowFocused(); // is current window focused (differentiate child windows from each others)

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