mirror of
https://github.com/Drezil/imgui.git
synced 2024-11-15 01:17:00 +00:00
Added BeginTooltip()/EndTooltip() helpers to create tooltips with custom widgets
This commit is contained in:
ocornut
parent
1509b8f634
commit
6267905a17
113
imgui.cpp
113
imgui.cpp
@ -132,6 +132,7 @@
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- combo: turn child handling code into popup helper
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- list selection, concept of a selectable "block" (that can be multiple widgets)
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- menubar, menus
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- plot: plot lines draws 1 item too much?
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- plot: add a stride parameter?
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- plot: add a helper e.g. Plot(char* label, float value, float time_span=2.0f) that stores values and Plot them for you - probably another function name. and/or automatically allow to plot ANY displayed value (more reliance on stable ID)
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- file selection widget -> build the tool in our codebase to improve model-dialog idioms (may or not lead to ImGui changes)
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@ -194,6 +195,7 @@ static bool IsKeyPressedMap(ImGuiKey key, bool repeat = true);
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static bool CloseWindowButton(bool* open = NULL);
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static void FocusWindow(ImGuiWindow* window);
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static ImGuiWindow* FindWindow(const char* name);
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static ImGuiWindow* FindHoveredWindow(ImVec2 pos, bool excluding_childs);
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}; // namespace ImGui
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@ -1372,7 +1374,7 @@ void Render()
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ImGui::End();
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// Sort the window list so that all child windows are after their parent
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// When cannot do that on FocusWindow() because childs may not exist yet
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// We cannot do that on FocusWindow() because childs may not exist yet
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ImVector<ImGuiWindow*> sorted_windows;
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sorted_windows.reserve(g.Windows.size());
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for (size_t i = 0; i != g.Windows.size(); i++)
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@ -1391,34 +1393,28 @@ void Render()
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memset(g.IO.InputCharacters, 0, sizeof(g.IO.InputCharacters));
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}
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// Render tooltip
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if (g.Tooltip[0])
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{
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// Use a dummy window to render the tooltip
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ImGui::BeginTooltip();
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ImGui::TextUnformatted(g.Tooltip);
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ImGui::EndTooltip();
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}
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// Gather windows to render
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g.RenderDrawLists.resize(0);
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for (size_t i = 0; i != g.Windows.size(); i++)
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{
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ImGuiWindow* window = g.Windows[i];
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if (!window->Visible)
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continue;
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if (window->Flags & ImGuiWindowFlags_ChildWindow)
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continue;
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window->AddToRenderList();
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if (window->Visible && (window->Flags & (ImGuiWindowFlags_ChildWindow | ImGuiWindowFlags_Tooltip)) == 0)
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window->AddToRenderList();
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}
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// Render tooltip
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if (g.Tooltip[0])
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for (size_t i = 0; i != g.Windows.size(); i++)
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{
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// Use a dummy window to render the tooltip
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ImGui::Begin("##Tooltip", NULL, ImVec2(0,0), 0.0f, ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoResize|ImGuiWindowFlags_Tooltip);
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ImGuiWindow* window = GetCurrentWindow();
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//window->DrawList->Clear();
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ImGui::PushClipRect(ImVec4(-9999,-9999,+9999,+9999), false);
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const ImVec2 text_size = CalcTextSize(g.Tooltip, NULL, false);
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const ImVec2 pos = g.IO.MousePos + ImVec2(32,16);
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const ImGuiAabb bb(pos - g.Style.FramePadding*2, pos + text_size + g.Style.FramePadding*2);
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ImGui::RenderFrame(bb.Min, bb.Max, window->Color(ImGuiCol_TooltipBg), false, g.Style.WindowRounding);
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ImGui::RenderText(pos, g.Tooltip, NULL, false);
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ImGui::PopClipRect();
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ImGui::End();
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window->AddToRenderList();
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ImGuiWindow* window = g.Windows[i];
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if (window->Visible && (window->Flags & ImGuiWindowFlags_Tooltip))
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window->AddToRenderList();
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}
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// Render
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@ -1726,6 +1722,17 @@ static ImGuiWindow* FindWindow(const char* name)
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return NULL;
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}
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void BeginTooltip()
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{
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ImGui::Begin("##Tooltip", NULL, ImVec2(0,0), 0.9f, ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoMove|ImGuiWindowFlags_NoResize|ImGuiWindowFlags_Tooltip);
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}
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void EndTooltip()
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{
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IM_ASSERT(GetCurrentWindow()->Flags & ImGuiWindowFlags_Tooltip);
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ImGui::End();
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}
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void BeginChild(const char* str_id, ImVec2 size, bool border, ImGuiWindowFlags extra_flags)
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{
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ImGuiState& g = GImGui;
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@ -1824,12 +1831,21 @@ bool Begin(const char* name, bool* open, ImVec2 size, float fill_alpha, ImGuiWin
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const bool first_begin_of_the_frame = (window->LastFrameDrawn != current_frame);
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if (first_begin_of_the_frame)
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{
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// New windows appears in front
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if (window->LastFrameDrawn < current_frame - 1)
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ImGui::FocusWindow(window);
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window->DrawList->Clear();
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window->Visible = true;
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// New windows appears in front
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if (window->LastFrameDrawn < current_frame - 1)
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{
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ImGui::FocusWindow(window);
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if ((window->Flags & ImGuiWindowFlags_Tooltip) != 0)
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{
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// Hide for 1 frame while resizing
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window->AutoFitFrames = 2;
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window->Visible = false;
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}
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}
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window->LastFrameDrawn = current_frame;
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window->ClipRectStack.resize(0);
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@ -1871,6 +1887,12 @@ bool Begin(const char* name, bool* open, ImVec2 size, float fill_alpha, ImGuiWin
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}
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}
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// Tooltips always follow mouse
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if ((window->Flags & ImGuiWindowFlags_Tooltip) != 0)
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{
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window->PosFloat = g.IO.MousePos + ImVec2(32,16) - g.Style.FramePadding*2;
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}
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// Clamp into view
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if (!(window->Flags & ImGuiWindowFlags_ChildWindow))
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{
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@ -1884,7 +1906,12 @@ bool Begin(const char* name, bool* open, ImVec2 size, float fill_alpha, ImGuiWin
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{
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window->Pos = ImVec2((float)(int)window->PosFloat.x, (float)(int)window->PosFloat.y);
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}
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window->ItemWidthDefault = (float)(int)(window->Size.x > 0.0f ? window->Size.x * 0.65f : 250.0f);
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// Default item width
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if (window->Size.x > 0.0f && !(window->Flags & ImGuiWindowFlags_Tooltip))
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window->ItemWidthDefault = (float)(int)(window->Size.x * 0.65f);
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else
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window->ItemWidthDefault = 200.0f;
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// Prepare for focus requests
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if (window->FocusIdxRequestNext == IM_INT_MAX || window->FocusIdxCounter == -1)
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@ -1939,9 +1966,17 @@ bool Begin(const char* name, bool* open, ImVec2 size, float fill_alpha, ImGuiWin
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{
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window->Size = window->SizeFull;
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// Draw resize grip
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// Draw resize grip and resize
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ImU32 resize_col = 0;
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if (!(window->Flags & ImGuiWindowFlags_NoResize))
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if ((window->Flags & ImGuiWindowFlags_Tooltip) != 0)
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{
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if (window->AutoFitFrames > 0)
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{
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// Tooltip always resize
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window->SizeFull = window->SizeContentsFit + g.Style.WindowPadding - ImVec2(0.0f, g.Style.ItemSpacing.y);
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}
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}
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else if (!(window->Flags & ImGuiWindowFlags_NoResize))
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{
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const ImGuiAabb resize_aabb(window->Aabb().GetBR()-ImVec2(18,18), window->Aabb().GetBR());
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const ImGuiID resize_id = window->GetID("#RESIZE");
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@ -1949,7 +1984,7 @@ bool Begin(const char* name, bool* open, ImVec2 size, float fill_alpha, ImGuiWin
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ButtonBehaviour(resize_aabb, resize_id, &hovered, &held);
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resize_col = window->Color(held ? ImGuiCol_ResizeGripActive : hovered ? ImGuiCol_ResizeGripHovered : ImGuiCol_ResizeGrip);
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const ImVec2 size_auto_fit = ImClamp(window->SizeContentsFit + style.AutoFitPadding, style.WindowMinSize, g.IO.DisplaySize - style.AutoFitPadding);
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ImVec2 size_auto_fit = ImClamp(window->SizeContentsFit + style.AutoFitPadding, style.WindowMinSize, g.IO.DisplaySize - style.AutoFitPadding);
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if (window->AutoFitFrames > 0)
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{
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// Auto-fit only grows during the first few frames
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@ -2291,7 +2326,12 @@ ImVec2 GetWindowPos()
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void SetWindowPos(const ImVec2& pos)
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{
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ImGuiWindow* window = GetCurrentWindow();
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window->Pos = pos;
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const ImVec2 old_pos = window->Pos;
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window->PosFloat = pos;
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window->Pos = ImVec2((float)(int)window->PosFloat.x, (float)(int)window->PosFloat.y);
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// If we happen to move the window while it is showing (which is a bad idea) let's at least offset the cursor
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window->DC.CursorPos += (window->Pos - old_pos);
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}
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ImVec2 GetWindowSize()
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@ -5472,6 +5512,17 @@ void ShowTestWindow(bool* open)
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if (ImGui::IsHovered())
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ImGui::SetTooltip("I am a tooltip");
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ImGui::SameLine();
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ImGui::Text("- or me");
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if (ImGui::IsHovered())
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{
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ImGui::BeginTooltip();
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ImGui::Text("I am a fancy tooltip");
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static float arr[] = { 0.6f, 0.1f, 1.0f, 0.5f, 0.92f, 0.1f, 0.2f };
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ImGui::PlotLines("Curve", arr, IM_ARRAYSIZE(arr));
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ImGui::EndTooltip();
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}
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static int item = 1;
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ImGui::Combo("combo", &item, "aaaa\0bbbb\0cccc\0dddd\0eeee\0\0");
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8
imgui.h
8
imgui.h
@ -135,7 +135,7 @@ namespace ImGui
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bool GetWindowIsFocused();
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float GetWindowWidth();
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ImVec2 GetWindowPos(); // you should rarely need/care about the window position, but it can be useful if you want to use your own drawing
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void SetWindowPos(const ImVec2& pos); // unchecked
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void SetWindowPos(const ImVec2& pos); // set current window pos
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ImVec2 GetWindowSize();
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ImVec2 GetWindowContentRegionMin();
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ImVec2 GetWindowContentRegionMax();
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@ -152,6 +152,11 @@ namespace ImGui
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void PushStyleColor(ImGuiCol idx, const ImVec4& col);
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void PopStyleColor();
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// Tooltip
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void SetTooltip(const char* fmt, ...); // set tooltip under mouse-cursor, typically use with ImGui::IsHovered(). last call wins.
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void BeginTooltip(); // use to create full-featured tooltip windows that aren't just text.
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void EndTooltip();
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// Layout
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void Separator(); // horizontal line
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void SameLine(int column_x = 0, int spacing_w = -1); // call between widgets to layout them horizontally
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@ -230,7 +235,6 @@ namespace ImGui
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void LogToClipboard(int max_depth = -1);
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// Utilities
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void SetTooltip(const char* fmt, ...); // set tooltip under mouse-cursor, typically use with ImGui::IsHovered(). (currently no contention handling, last call win)
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void SetNewWindowDefaultPos(const ImVec2& pos); // set position of window that do
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bool IsHovered(); // was the last item active area hovered by mouse?
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ImVec2 GetItemBoxMin(); // get bounding box of last item
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