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Internals: Tweaks. Comments about PushID/GetID public function.

This commit is contained in:
omar 2019-01-21 15:39:43 +01:00
parent f994b8aab8
commit 28901dd104
2 changed files with 20 additions and 16 deletions
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27
imgui.cpp
View File

@ -6380,71 +6380,74 @@ void ImGui::SetItemDefaultFocus()
void ImGui::SetStateStorage(ImGuiStorage* tree) void ImGui::SetStateStorage(ImGuiStorage* tree)
{ {
ImGuiWindow* window = GetCurrentWindow(); ImGuiWindow* window = GImGui->CurrentWindow;
window->DC.StateStorage = tree ? tree : &window->StateStorage; window->DC.StateStorage = tree ? tree : &window->StateStorage;
} }
ImGuiStorage* ImGui::GetStateStorage() ImGuiStorage* ImGui::GetStateStorage()
{ {
ImGuiWindow* window = GetCurrentWindowRead(); ImGuiWindow* window = GImGui->CurrentWindow;
return window->DC.StateStorage; return window->DC.StateStorage;
} }
void ImGui::PushID(const char* str_id) void ImGui::PushID(const char* str_id)
{ {
ImGuiWindow* window = GetCurrentWindowRead(); ImGuiWindow* window = GImGui->CurrentWindow;
window->IDStack.push_back(window->GetIDNoKeepAlive(str_id)); window->IDStack.push_back(window->GetIDNoKeepAlive(str_id));
} }
void ImGui::PushID(const char* str_id_begin, const char* str_id_end) void ImGui::PushID(const char* str_id_begin, const char* str_id_end)
{ {
ImGuiWindow* window = GetCurrentWindowRead(); ImGuiWindow* window = GImGui->CurrentWindow;
window->IDStack.push_back(window->GetIDNoKeepAlive(str_id_begin, str_id_end)); window->IDStack.push_back(window->GetIDNoKeepAlive(str_id_begin, str_id_end));
} }
void ImGui::PushID(const void* ptr_id) void ImGui::PushID(const void* ptr_id)
{ {
ImGuiWindow* window = GetCurrentWindowRead(); ImGuiWindow* window = GImGui->CurrentWindow;
window->IDStack.push_back(window->GetIDNoKeepAlive(ptr_id)); window->IDStack.push_back(window->GetIDNoKeepAlive(ptr_id));
} }
void ImGui::PushID(int int_id) void ImGui::PushID(int int_id)
{ {
const void* ptr_id = (void*)(intptr_t)int_id; const void* ptr_id = (void*)(intptr_t)int_id;
ImGuiWindow* window = GetCurrentWindowRead(); ImGuiWindow* window = GImGui->CurrentWindow;
window->IDStack.push_back(window->GetIDNoKeepAlive(ptr_id)); window->IDStack.push_back(window->GetIDNoKeepAlive(ptr_id));
} }
void ImGui::PopID() void ImGui::PopID()
{ {
ImGuiWindow* window = GetCurrentWindowRead(); ImGuiWindow* window = GImGui->CurrentWindow;
window->IDStack.pop_back(); window->IDStack.pop_back();
} }
ImGuiID ImGui::GetID(const char* str_id) ImGuiID ImGui::GetID(const char* str_id)
{ {
return GImGui->CurrentWindow->GetID(str_id); ImGuiWindow* window = GImGui->CurrentWindow;
return window->GetID(str_id);
} }
ImGuiID ImGui::GetID(const char* str_id_begin, const char* str_id_end) ImGuiID ImGui::GetID(const char* str_id_begin, const char* str_id_end)
{ {
return GImGui->CurrentWindow->GetID(str_id_begin, str_id_end); ImGuiWindow* window = GImGui->CurrentWindow;
return window->GetID(str_id_begin, str_id_end);
} }
ImGuiID ImGui::GetID(const void* ptr_id) ImGuiID ImGui::GetID(const void* ptr_id)
{ {
return GImGui->CurrentWindow->GetID(ptr_id); ImGuiWindow* window = GImGui->CurrentWindow;
return window->GetID(ptr_id);
} }
bool ImGui::IsRectVisible(const ImVec2& size) bool ImGui::IsRectVisible(const ImVec2& size)
{ {
ImGuiWindow* window = GetCurrentWindowRead(); ImGuiWindow* window = GImGui->CurrentWindow;;
return window->ClipRect.Overlaps(ImRect(window->DC.CursorPos, window->DC.CursorPos + size)); return window->ClipRect.Overlaps(ImRect(window->DC.CursorPos, window->DC.CursorPos + size));
} }
bool ImGui::IsRectVisible(const ImVec2& rect_min, const ImVec2& rect_max) bool ImGui::IsRectVisible(const ImVec2& rect_min, const ImVec2& rect_max)
{ {
ImGuiWindow* window = GetCurrentWindowRead(); ImGuiWindow* window = GImGui->CurrentWindow;;
return window->ClipRect.Overlaps(ImRect(rect_min, rect_max)); return window->ClipRect.Overlaps(ImRect(rect_min, rect_max));
} }

9
imgui.h
View File

@ -350,13 +350,14 @@ namespace ImGui
// ID stack/scopes // ID stack/scopes
// - Read the FAQ for more details about how ID are handled in dear imgui. If you are creating widgets in a loop you most // - Read the FAQ for more details about how ID are handled in dear imgui. If you are creating widgets in a loop you most
// likely want to push a unique identifier (e.g. object pointer, loop index) to uniquely differentiate them. // likely want to push a unique identifier (e.g. object pointer, loop index) to uniquely differentiate them.
// - The resulting ID are hashes of the entire stack.
// - You can also use the "Label##foobar" syntax within widget label to distinguish them from each others. // - You can also use the "Label##foobar" syntax within widget label to distinguish them from each others.
// - In this header file we use the "label"/"name" terminology to denote a string that will be displayed and used as an ID, // - In this header file we use the "label"/"name" terminology to denote a string that will be displayed and used as an ID,
// whereas "str_id" denote a string that is only used as an ID and not normally displayed. // whereas "str_id" denote a string that is only used as an ID and not normally displayed.
IMGUI_API void PushID(const char* str_id); // push string identifier into the ID stack. IDs == hash of the entire stack! IMGUI_API void PushID(const char* str_id); // push string into the ID stack (will hash string).
IMGUI_API void PushID(const char* str_id_begin, const char* str_id_end); IMGUI_API void PushID(const char* str_id_begin, const char* str_id_end); // push string into the ID stack (will hash string).
IMGUI_API void PushID(const void* ptr_id); // push pointer into the ID stack. IMGUI_API void PushID(const void* ptr_id); // push pointer into the ID stack (will hash pointer).
IMGUI_API void PushID(int int_id); // push integer into the ID stack. IMGUI_API void PushID(int int_id); // push integer into the ID stack (will hash integer).
IMGUI_API void PopID(); // pop from the ID stack. IMGUI_API void PopID(); // pop from the ID stack.
IMGUI_API ImGuiID GetID(const char* str_id); // calculate unique ID (hash of whole ID stack + given parameter). e.g. if you want to query into ImGuiStorage yourself IMGUI_API ImGuiID GetID(const char* str_id); // calculate unique ID (hash of whole ID stack + given parameter). e.g. if you want to query into ImGuiStorage yourself
IMGUI_API ImGuiID GetID(const char* str_id_begin, const char* str_id_end); IMGUI_API ImGuiID GetID(const char* str_id_begin, const char* str_id_end);