358 lines
9.7 KiB
C
358 lines
9.7 KiB
C
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// imgui-notify by patrickcjk
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// https://github.com/patrickcjk/imgui-notify
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#ifndef IMGUI_NOTIFY
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#define IMGUI_NOTIFY
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#pragma once
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#include <vector>
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#include <string>
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#include "font_awesome_5.h"
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#include "fa_solid_900.h"
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#define NOTIFY_MAX_MSG_LENGTH 4096 // Max message content length
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#define NOTIFY_PADDING_X 20.f // Bottom-left X padding
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#define NOTIFY_PADDING_Y 20.f // Bottom-left Y padding
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#define NOTIFY_PADDING_MESSAGE_Y 10.f // Padding Y between each message
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#define NOTIFY_FADE_IN_OUT_TIME 150 // Fade in and out duration
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#define NOTIFY_DEFAULT_DISMISS 3000 // Auto dismiss after X ms (default, applied only of no data provided in constructors)
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#define NOTIFY_OPACITY 1.0f // 0-1 Toast opacity
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#define NOTIFY_TOAST_FLAGS ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoInputs | ImGuiWindowFlags_NoNav | ImGuiWindowFlags_NoBringToFrontOnFocus | ImGuiWindowFlags_NoFocusOnAppearing
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// Comment out if you don't want any separator between title and content
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#define NOTIFY_USE_SEPARATOR
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#define NOTIFY_INLINE inline
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#define NOTIFY_NULL_OR_EMPTY(str) (!str ||! strlen(str))
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#define NOTIFY_FORMAT(fn, format, ...) if (format) { va_list args; va_start(args, format); fn(format, args, __VA_ARGS__); va_end(args); }
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typedef int ImGuiToastType;
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typedef int ImGuiToastPhase;
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typedef int ImGuiToastPos;
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enum ImGuiToastType_
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{
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ImGuiToastType_None,
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ImGuiToastType_Success,
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ImGuiToastType_Warning,
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ImGuiToastType_Error,
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ImGuiToastType_Info,
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ImGuiToastType_COUNT
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};
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enum ImGuiToastPhase_
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{
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ImGuiToastPhase_FadeIn,
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ImGuiToastPhase_Wait,
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ImGuiToastPhase_FadeOut,
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ImGuiToastPhase_Expired,
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ImGuiToastPhase_COUNT
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};
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enum ImGuiToastPos_
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{
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ImGuiToastPos_TopLeft,
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ImGuiToastPos_TopCenter,
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ImGuiToastPos_TopRight,
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ImGuiToastPos_BottomLeft,
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ImGuiToastPos_BottomCenter,
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ImGuiToastPos_BottomRight,
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ImGuiToastPos_Center,
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ImGuiToastPos_COUNT
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};
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class ImGuiToast
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{
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private:
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ImGuiToastType type = ImGuiToastType_None;
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char title[NOTIFY_MAX_MSG_LENGTH];
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char content[NOTIFY_MAX_MSG_LENGTH];
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int dismiss_time = NOTIFY_DEFAULT_DISMISS;
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uint64_t creation_time = 0;
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private:
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// Setters
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NOTIFY_INLINE void set_title(const char* format, va_list args) { vsnprintf(this->title, sizeof(this->title), format, args); }
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NOTIFY_INLINE void set_content(const char* format, va_list args) { vsnprintf(this->content, sizeof(this->content), format, args); }
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public:
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NOTIFY_INLINE void set_title(const char* format, ...) { NOTIFY_FORMAT(this->set_title, format); }
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NOTIFY_INLINE void set_content(const char* format, ...) { NOTIFY_FORMAT(this->set_content, format); }
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NOTIFY_INLINE void set_type(const ImGuiToastType& type) { IM_ASSERT(type < ImGuiToastType_COUNT); this->type = type; };
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public:
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// Getters
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NOTIFY_INLINE char* get_title() { return this->title; };
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NOTIFY_INLINE const char* get_default_title()
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{
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if (!strlen(this->title))
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{
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switch (this->type)
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{
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case ImGuiToastType_Success:
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return "Success";
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case ImGuiToastType_Warning:
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return "Warning";
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case ImGuiToastType_Error:
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return "Error";
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case ImGuiToastType_Info:
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return "Info";
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case ImGuiToastType_None:
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default:
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return NULL;
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}
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}
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return this->title;
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};
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NOTIFY_INLINE const ImGuiToastType get_type() { return this->type; };
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NOTIFY_INLINE const ImVec4 get_color()
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{
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switch (this->type)
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{
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case ImGuiToastType_Success:
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return { 0, 255, 0, 255 }; // Green
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case ImGuiToastType_Warning:
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return { 255, 255, 0, 255 }; // Yellow
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case ImGuiToastType_Error:
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return { 255, 0, 0, 255 }; // Error
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case ImGuiToastType_Info:
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return { 0, 157, 255, 255 }; // Blue
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case ImGuiToastType_None:
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default:
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return { 255, 255, 255, 255 }; // White
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}
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}
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NOTIFY_INLINE const char* get_icon()
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{
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switch (this->type)
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{
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case ImGuiToastType_Success:
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return ICON_FA_CHECK_CIRCLE;
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case ImGuiToastType_Warning:
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return ICON_FA_EXCLAMATION_TRIANGLE;
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case ImGuiToastType_Error:
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return ICON_FA_TIMES_CIRCLE;
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case ImGuiToastType_Info:
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return ICON_FA_INFO_CIRCLE;
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case ImGuiToastType_None:
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default:
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return NULL;
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}
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}
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NOTIFY_INLINE char* get_content() { return this->content; };
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NOTIFY_INLINE uint64_t get_elapsed_time() { return GetTickCount64() - this->creation_time; }
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NOTIFY_INLINE const ImGuiToastPhase get_phase()
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{
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const auto elapsed = get_elapsed_time();
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if (elapsed > NOTIFY_FADE_IN_OUT_TIME + this->dismiss_time + NOTIFY_FADE_IN_OUT_TIME)
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{
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return ImGuiToastPhase_Expired;
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}
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else if (elapsed > NOTIFY_FADE_IN_OUT_TIME + this->dismiss_time)
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{
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return ImGuiToastPhase_FadeOut;
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}
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else if (elapsed > NOTIFY_FADE_IN_OUT_TIME)
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{
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return ImGuiToastPhase_Wait;
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}
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else
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{
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return ImGuiToastPhase_FadeIn;
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}
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}
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NOTIFY_INLINE const float get_fade_percent()
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{
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const auto phase = get_phase();
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const auto elapsed = get_elapsed_time();
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if (phase == ImGuiToastPhase_FadeIn)
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{
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return ((float)elapsed / (float)NOTIFY_FADE_IN_OUT_TIME) * NOTIFY_OPACITY;
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}
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else if (phase == ImGuiToastPhase_FadeOut)
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{
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return (1.f - (((float)elapsed - (float)NOTIFY_FADE_IN_OUT_TIME - (float)this->dismiss_time) / (float)NOTIFY_FADE_IN_OUT_TIME)) * NOTIFY_OPACITY;
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}
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return 1.f * NOTIFY_OPACITY;
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}
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public:
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// Constructors
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ImGuiToast(ImGuiToastType type, int dismiss_time = NOTIFY_DEFAULT_DISMISS)
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{
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IM_ASSERT(type < ImGuiToastType_COUNT);
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this->type = type;
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this->dismiss_time = dismiss_time;
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this->creation_time = GetTickCount64();
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memset(this->title, 0, sizeof(this->title));
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memset(this->content, 0, sizeof(this->content));
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}
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ImGuiToast(ImGuiToastType type, const char* format, ...) : ImGuiToast(type) { NOTIFY_FORMAT(this->set_content, format); }
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ImGuiToast(ImGuiToastType type, int dismiss_time, const char* format, ...) : ImGuiToast(type, dismiss_time) { NOTIFY_FORMAT(this->set_content, format); }
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};
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namespace ImGui
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{
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NOTIFY_INLINE std::vector<ImGuiToast> notifications;
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/// <summary>
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/// Insert a new toast in the list
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/// </summary>
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NOTIFY_INLINE VOID InsertNotification(const ImGuiToast& toast)
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{
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notifications.push_back(toast);
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}
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/// <summary>
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/// Remove a toast from the list by its index
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/// </summary>
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/// <param name="index">index of the toast to remove</param>
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NOTIFY_INLINE VOID RemoveNotification(int index)
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{
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notifications.erase(notifications.begin() + index);
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}
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/// <summary>
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/// Render toasts, call at the end of your rendering!
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/// </summary>
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NOTIFY_INLINE VOID RenderNotifications()
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{
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const auto vp_size = GetMainViewport()->Size;
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float height = 0.f;
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for (auto i = 0; i < notifications.size(); i++)
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{
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auto* current_toast = ¬ifications[i];
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// Remove toast if expired
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if (current_toast->get_phase() == ImGuiToastPhase_Expired)
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{
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RemoveNotification(i);
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continue;
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}
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// Get icon, title and other data
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const auto icon = current_toast->get_icon();
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const auto title = current_toast->get_title();
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const auto content = current_toast->get_content();
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const auto default_title = current_toast->get_default_title();
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const auto opacity = current_toast->get_fade_percent(); // Get opacity based of the current phase
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// Window rendering
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auto text_color = current_toast->get_color();
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text_color.w = opacity;
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// Generate new unique name for this toast
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char window_name[50];
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sprintf_s(window_name, "##TOAST%d", i);
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//PushStyleColor(ImGuiCol_Text, text_color);
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SetNextWindowBgAlpha(opacity);
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SetNextWindowPos(ImVec2(vp_size.x - NOTIFY_PADDING_X, vp_size.y - NOTIFY_PADDING_Y - height), ImGuiCond_Always, ImVec2(1.0f, 1.0f));
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Begin(window_name, NULL, NOTIFY_TOAST_FLAGS);
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// Here we render the toast content
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{
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PushTextWrapPos(vp_size.x / 3.f); // We want to support multi-line text, this will wrap the text after 1/3 of the screen width
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bool was_title_rendered = false;
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// If an icon is set
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if (!NOTIFY_NULL_OR_EMPTY(icon))
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{
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//Text(icon); // Render icon text
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TextColored(text_color, icon);
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was_title_rendered = true;
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}
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// If a title is set
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if (!NOTIFY_NULL_OR_EMPTY(title))
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{
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// If a title and an icon is set, we want to render on same line
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if (!NOTIFY_NULL_OR_EMPTY(icon))
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SameLine();
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Text(title); // Render title text
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was_title_rendered = true;
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}
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else if (!NOTIFY_NULL_OR_EMPTY(default_title))
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{
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if (!NOTIFY_NULL_OR_EMPTY(icon))
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SameLine();
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Text(default_title); // Render default title text (ImGuiToastType_Success -> "Success", etc...)
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was_title_rendered = true;
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}
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// In case ANYTHING was rendered in the top, we want to add a small padding so the text (or icon) looks centered vertically
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if (was_title_rendered && !NOTIFY_NULL_OR_EMPTY(content))
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{
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SetCursorPosY(GetCursorPosY() + 5.f); // Must be a better way to do this!!!!
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}
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// If a content is set
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if (!NOTIFY_NULL_OR_EMPTY(content))
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{
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if (was_title_rendered)
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{
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#ifdef NOTIFY_USE_SEPARATOR
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Separator();
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#endif
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}
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Text(content); // Render content text
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}
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PopTextWrapPos();
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}
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// Save height for next toasts
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height += GetWindowHeight() + NOTIFY_PADDING_MESSAGE_Y;
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// End
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End();
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}
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}
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/// <summary>
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/// Adds font-awesome font, must be called ONCE on initialization
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/// <param name="FontDataOwnedByAtlas">Fonts are loaded from read-only memory, should be set to false!</param>
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/// </summary>
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NOTIFY_INLINE VOID MergeIconsWithLatestFont(float font_size, bool FontDataOwnedByAtlas = false)
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{
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static const ImWchar icons_ranges[] = { ICON_MIN_FA, ICON_MAX_FA, 0 };
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ImFontConfig icons_config;
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icons_config.MergeMode = true;
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icons_config.PixelSnapH = true;
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icons_config.FontDataOwnedByAtlas = FontDataOwnedByAtlas;
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GetIO().Fonts->AddFontFromMemoryTTF((void*)fa_solid_900, sizeof(fa_solid_900), font_size, &icons_config, icons_ranges);
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}
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}
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#endif
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