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BeginChild() return a bool analoguous to Begin(). if true you can skip submitting content.

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This commit is contained in:
ocornut 2015-02-21 10:30:05 +00:00
parent 8f75cffc09
commit 4deeaea93c
2 changed files with 9 additions and 6 deletions
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11
imgui.cpp
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@ -2494,7 +2494,7 @@ void ImGui::EndTooltip()
ImGui::End(); ImGui::End();
} }
void ImGui::BeginChild(const char* str_id, ImVec2 size, bool border, ImGuiWindowFlags extra_flags) bool ImGui::BeginChild(const char* str_id, ImVec2 size, bool border, ImGuiWindowFlags extra_flags)
{ {
ImGuiState& g = *GImGui; ImGuiState& g = *GImGui;
ImGuiWindow* window = GetCurrentWindow(); ImGuiWindow* window = GetCurrentWindow();
@ -2523,17 +2523,20 @@ void ImGui::BeginChild(const char* str_id, ImVec2 size, bool border, ImGuiWindow
ImFormatString(title, IM_ARRAYSIZE(title), "%s.%s", window->Name, str_id); ImFormatString(title, IM_ARRAYSIZE(title), "%s.%s", window->Name, str_id);
const float alpha = 1.0f; const float alpha = 1.0f;
ImGui::Begin(title, NULL, size, alpha, flags); bool ret = ImGui::Begin(title, NULL, size, alpha, flags);
if (!(window->Flags & ImGuiWindowFlags_ShowBorders)) if (!(window->Flags & ImGuiWindowFlags_ShowBorders))
g.CurrentWindow->Flags &= ~ImGuiWindowFlags_ShowBorders; g.CurrentWindow->Flags &= ~ImGuiWindowFlags_ShowBorders;
return ret;
} }
void ImGui::BeginChild(ImGuiID id, ImVec2 size, bool border, ImGuiWindowFlags extra_flags) bool ImGui::BeginChild(ImGuiID id, ImVec2 size, bool border, ImGuiWindowFlags extra_flags)
{ {
char str_id[32]; char str_id[32];
ImFormatString(str_id, IM_ARRAYSIZE(str_id), "child_%x", id); ImFormatString(str_id, IM_ARRAYSIZE(str_id), "child_%x", id);
ImGui::BeginChild(str_id, size, border, extra_flags); bool ret = ImGui::BeginChild(str_id, size, border, extra_flags);
return ret;
} }
void ImGui::EndChild() void ImGui::EndChild()

4
imgui.h
View File

@ -159,8 +159,8 @@ namespace ImGui
// Window // Window
IMGUI_API bool Begin(const char* name = "Debug", bool* p_opened = NULL, ImVec2 size = ImVec2(0,0), float fill_alpha = -1.0f, ImGuiWindowFlags flags = 0);// return false when window is collapsed, so you can early out in your code. passing 'bool* p_opened' displays a Close button on the upper-right corner of the window, the pointed value will be set to false when the button is pressed. IMGUI_API bool Begin(const char* name = "Debug", bool* p_opened = NULL, ImVec2 size = ImVec2(0,0), float fill_alpha = -1.0f, ImGuiWindowFlags flags = 0);// return false when window is collapsed, so you can early out in your code. passing 'bool* p_opened' displays a Close button on the upper-right corner of the window, the pointed value will be set to false when the button is pressed.
IMGUI_API void End(); IMGUI_API void End();
IMGUI_API void BeginChild(const char* str_id, ImVec2 size = ImVec2(0,0), bool border = false, ImGuiWindowFlags extra_flags = 0); // size==0.0f: use remaining window size, size<0.0f: use remaining window size minus abs(size). on each axis. IMGUI_API bool BeginChild(const char* str_id, ImVec2 size = ImVec2(0,0), bool border = false, ImGuiWindowFlags extra_flags = 0); // size==0.0f: use remaining window size, size<0.0f: use remaining window size minus abs(size). on each axis.
IMGUI_API void BeginChild(ImGuiID id, ImVec2 size = ImVec2(0,0), bool border = false, ImGuiWindowFlags extra_flags = 0); // " IMGUI_API bool BeginChild(ImGuiID id, ImVec2 size = ImVec2(0,0), bool border = false, ImGuiWindowFlags extra_flags = 0); // "
IMGUI_API void EndChild(); IMGUI_API void EndChild();
IMGUI_API bool GetWindowIsFocused(); IMGUI_API bool GetWindowIsFocused();
IMGUI_API ImVec2 GetContentRegionMax(); // window or current column boundaries, in windows coordinates IMGUI_API ImVec2 GetContentRegionMax(); // window or current column boundaries, in windows coordinates