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Demo: added simple Log demo
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@ -396,6 +396,7 @@
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- input text: add ImGuiInputTextFlags_EnterToApply? (off #218)
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- input text multi-line: way to dynamically grow the buffer without forcing the user to initially allocate for worse case (follow up on #200)
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- input text multi-line: line numbers? status bar? (follow up on #200)
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- input text: read-only mode (can still select/copy, always display input buffer)
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- input number: optional range min/max for Input*() functions
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- input number: holding [-]/[+] buttons could increase the step speed non-linearly (or user-controlled)
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- input number: use mouse wheel to step up/down
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@ -4672,6 +4673,7 @@ void ImGui::SetScrollFromPosY(float pos_y, float center_y_ratio)
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window->ScrollTargetCenterRatioY = center_y_ratio;
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}
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// center_y_ratio: 0.0f top of last item, 0.5f vertical center of last item, 1.0f bottom of last item.
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void ImGui::SetScrollHere(float center_y_ratio)
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{
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ImGuiWindow* window = GetCurrentWindow();
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@ -44,6 +44,7 @@
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#ifndef IMGUI_DISABLE_TEST_WINDOWS
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static void ShowExampleAppConsole(bool* opened);
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static void ShowExampleAppLog(bool* opened);
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static void ShowExampleAppLayout(bool* opened);
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static void ShowExampleAppLongText(bool* opened);
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static void ShowExampleAppAutoResize(bool* opened);
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@ -89,6 +90,7 @@ void ImGui::ShowTestWindow(bool* opened)
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static bool show_app_metrics = false;
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static bool show_app_main_menu_bar = false;
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static bool show_app_console = false;
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static bool show_app_log = false;
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static bool show_app_layout = false;
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static bool show_app_long_text = false;
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static bool show_app_auto_resize = false;
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@ -99,6 +101,7 @@ void ImGui::ShowTestWindow(bool* opened)
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if (show_app_metrics) ImGui::ShowMetricsWindow(&show_app_metrics);
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if (show_app_main_menu_bar) ShowExampleAppMainMenuBar();
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if (show_app_console) ShowExampleAppConsole(&show_app_console);
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if (show_app_log) ShowExampleAppLog(&show_app_log);
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if (show_app_layout) ShowExampleAppLayout(&show_app_layout);
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if (show_app_long_text) ShowExampleAppLongText(&show_app_long_text);
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if (show_app_auto_resize) ShowExampleAppAutoResize(&show_app_auto_resize);
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@ -157,6 +160,7 @@ void ImGui::ShowTestWindow(bool* opened)
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{
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ImGui::MenuItem("Main menu bar", NULL, &show_app_main_menu_bar);
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ImGui::MenuItem("Console", NULL, &show_app_console);
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ImGui::MenuItem("Log", NULL, &show_app_log);
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ImGui::MenuItem("Simple layout", NULL, &show_app_layout);
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ImGui::MenuItem("Long text display", NULL, &show_app_long_text);
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ImGui::MenuItem("Auto-resizing window", NULL, &show_app_auto_resize);
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@ -1715,7 +1719,7 @@ struct ExampleAppConsole
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ScrollToBottom = true;
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}
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void Run(const char* title, bool* opened)
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void Draw(const char* title, bool* opened)
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{
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ImGui::SetNextWindowSize(ImVec2(520,600), ImGuiSetCond_FirstUseEver);
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if (!ImGui::Begin(title, opened))
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@ -1938,7 +1942,63 @@ struct ExampleAppConsole
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static void ShowExampleAppConsole(bool* opened)
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{
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static ExampleAppConsole console;
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console.Run("Example: Console", opened);
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console.Draw("Example: Console", opened);
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}
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// Usage:
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// static ExampleAppLog my_log;
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// my_log.AddLog("Hello %d world\n", 123);
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// my_log.Draw("title");
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struct ExampleAppLog
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{
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ImGuiTextBuffer Buf;
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bool ScrollToBottom;
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void Clear() { Buf.clear(); }
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void AddLog(const char* fmt, ...) IM_PRINTFARGS(2)
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{
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va_list args;
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va_start(args, fmt);
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Buf.appendv(fmt, args);
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va_end(args);
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ScrollToBottom = true;
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}
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void Draw(const char* title, bool* p_opened = NULL)
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{
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ImGui::SetNextWindowSize(ImVec2(500,400), ImGuiSetCond_FirstUseEver);
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ImGui::Begin(title, p_opened);
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if (ImGui::Button("Clear")) Buf.clear();
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ImGui::SameLine();
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bool copy = ImGui::Button("Copy");
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ImGui::Separator();
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ImGui::BeginChild("scrolling");
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if (copy)
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ImGui::LogToClipboard();
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ImGui::TextUnformatted(Buf.begin());
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if (ScrollToBottom)
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ImGui::SetScrollHere(1.0f);
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ScrollToBottom = false;
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ImGui::EndChild();
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ImGui::End();
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}
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};
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static void ShowExampleAppLog(bool* opened)
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{
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static ExampleAppLog log;
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// Demo fill
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static float last_time = -1.0f;
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float time = ImGui::GetTime();
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if (time - last_time >= 0.3f)
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{
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log.AddLog("Hello, time is %.1f sec, rand() is %d\n", time, (int)rand());
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last_time = time;
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}
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log.Draw("Example: Log", opened);
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}
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static void ShowExampleAppLayout(bool* opened)
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