Added BeginPopupModal() with actual modal behaviour (WIP api) (#249)

This commit is contained in:
ocornut 2015-06-23 10:02:56 -06:00
parent f10bbbb851
commit bce495c581
2 changed files with 45 additions and 8 deletions

View File

@ -548,6 +548,7 @@ static bool CloseWindowButton(bool* p_opened = NULL);
static void FocusWindow(ImGuiWindow* window);
static ImGuiWindow* FindHoveredWindow(ImVec2 pos, bool excluding_childs);
static void CloseInactivePopups();
static ImGuiWindow* GetFrontMostModalRootWindow();
static void SetWindowScrollY(ImGuiWindow* window, float scroll_y);
// Helpers: String
@ -2149,6 +2150,9 @@ void ImGui::NewFrame()
g.HoveredRootWindow = g.HoveredWindow->RootWindow;
else
g.HoveredRootWindow = FindHoveredWindow(g.IO.MousePos, true);
if (ImGuiWindow* modal_window = GetFrontMostModalRootWindow())
if (g.HoveredRootWindow != modal_window)
g.HoveredRootWindow = g.HoveredWindow = NULL;
// Are we using inputs? Tell user so they can capture/discard the inputs away from the rest of their application.
// When clicking outside of a window we assume the click is owned by the application and won't request capture.
@ -2372,7 +2376,7 @@ void ImGui::Render()
g.MovedWindow = g.HoveredWindow;
SetActiveId(g.HoveredRootWindow->MoveID, g.HoveredRootWindow);
}
else if (g.FocusedWindow != NULL)
else if (g.FocusedWindow != NULL && GetFrontMostModalRootWindow() == NULL)
{
// Clicking on void disable focus
FocusWindow(NULL);
@ -3149,6 +3153,16 @@ static void CloseInactivePopups()
g.OpenedPopupStack.resize(n);
}
static ImGuiWindow* GetFrontMostModalRootWindow()
{
ImGuiState& g = *GImGui;
if (!g.OpenedPopupStack.empty())
if (ImGuiWindow* front_most_popup = g.OpenedPopupStack.back().Window)
if (front_most_popup->Flags & ImGuiWindowFlags_Modal)
return front_most_popup;
return NULL;
}
static void ClosePopupToLevel(int remaining)
{
ImGuiState& g = *GImGui;
@ -3220,12 +3234,33 @@ bool ImGui::BeginPopup(const char* str_id)
return BeginPopupEx(str_id, ImGuiWindowFlags_ShowBorders);
}
bool ImGui::BeginPopupModal(const char* name, ImGuiWindowFlags extra_flags)
{
ImGuiState& g = *GImGui;
ImGuiWindow* window = g.CurrentWindow;
const ImGuiID id = window->GetID(name);
if (!IsPopupOpen(id))
{
ClearSetNextWindowData(); // We behave like Begin() and need to consume those values
return false;
}
ImGuiWindowFlags flags = extra_flags|ImGuiWindowFlags_Popup|ImGuiWindowFlags_Modal|ImGuiWindowFlags_NoSavedSettings;
bool opened = ImGui::Begin(name, NULL, ImVec2(0.0f, 0.0f), -1.0f, flags);
if (!opened) // Opened can be 'false' when the popup is completely clipped (e.g. zero size display)
ImGui::EndPopup();
return opened;
}
void ImGui::EndPopup()
{
IM_ASSERT(GetCurrentWindow()->Flags & ImGuiWindowFlags_Popup);
ImGuiWindow* window = GetCurrentWindow();
IM_ASSERT(window->Flags & ImGuiWindowFlags_Popup);
IM_ASSERT(GImGui->CurrentPopupStack.size() > 0);
ImGui::End();
ImGui::PopStyleVar();
if (!(window->Flags & ImGuiWindowFlags_Modal))
ImGui::PopStyleVar();
}
bool ImGui::BeginPopupContextItem(const char* str_id, int mouse_button)
@ -3611,7 +3646,7 @@ bool ImGui::Begin(const char* name, bool* p_opened, const ImVec2& size_on_first_
window->SizeContents.y += window->ScrollY;
// Hide popup/tooltip window when first appearing while we measure size (because we recycle them)
if ((flags & (ImGuiWindowFlags_Popup | ImGuiWindowFlags_Tooltip)) != 0 && !window_was_visible)
if ((flags & (ImGuiWindowFlags_Popup | ImGuiWindowFlags_Tooltip)) != 0 && (flags & ImGuiWindowFlags_AlwaysAutoResize) && !window_was_visible)
{
window->HiddenFrames = 1;
if (!window_size_set_by_api)

10
imgui.h
View File

@ -171,9 +171,10 @@ namespace ImGui
// Popup
IMGUI_API void OpenPopup(const char* str_id); // mark popup as open. popup identifiers are relative to the current ID-stack (so OpenPopup and BeginPopup needs to be at the same level). close childs popups if any. will close popup when user click outside, or activate a pressable item, or CloseCurrentPopup() is called within a BeginPopup()/EndPopup() block.
IMGUI_API bool BeginPopup(const char* str_id); // return true if popup if opened and start outputting to it. only call EndPopup() if BeginPopup() returned true!
IMGUI_API bool BeginPopupContextItem(const char* str_id, int mouse_button = 1); // open and begin popup when clicked on last item
IMGUI_API bool BeginPopupContextWindow(bool also_over_items = true, const char* str_id = NULL, int mouse_button = 1); // open and begin popup when clicked on current window
IMGUI_API bool BeginPopupContextVoid(const char* str_id = NULL, int mouse_button = 1); // open and begin popup when clicked in void (no window)
IMGUI_API bool BeginPopupModal(const char* name, ImGuiWindowFlags extra_flags = 0);
IMGUI_API bool BeginPopupContextItem(const char* str_id, int mouse_button = 1); // helper to open and begin popup when clicked on last item
IMGUI_API bool BeginPopupContextWindow(bool also_over_items = true, const char* str_id = NULL, int mouse_button = 1); // helper to open and begin popup when clicked on current window
IMGUI_API bool BeginPopupContextVoid(const char* str_id = NULL, int mouse_button = 1); // helper to open and begin popup when clicked in void (no window)
IMGUI_API void EndPopup();
IMGUI_API void CloseCurrentPopup(); // close the popup we have begin-ed into. clicking on a MenuItem or Selectable automatically close the current popup.
@ -428,7 +429,8 @@ enum ImGuiWindowFlags_
ImGuiWindowFlags_ComboBox = 1 << 23, // Don't use! For internal use by ComboBox()
ImGuiWindowFlags_Tooltip = 1 << 24, // Don't use! For internal use by BeginTooltip()
ImGuiWindowFlags_Popup = 1 << 25, // Don't use! For internal use by BeginPopup()
ImGuiWindowFlags_ChildMenu = 1 << 26 // Don't use! For internal use by BeginMenu()
ImGuiWindowFlags_Modal = 1 << 26, // Don't use! For internal use by BeginPopupModal()
ImGuiWindowFlags_ChildMenu = 1 << 27 // Don't use! For internal use by BeginMenu()
};
// Flags for ImGui::InputText()