/**
	AsterTrack Configurator
	Copyright (C)  2023 Seneral <contact@seneral.dev> and contributors

	This program is free software: you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation, either version 3 of the License, or
	(at your option) any later version.

	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with this program.  If not, see <https://www.gnu.org/licenses/>.
*/

#include "imgui.h"

#include <vector>

#ifndef IMGUI_ONDEMAND_H
#define IMGUI_ONDEMAND_H

struct OnDemandState
{
	ImGuiViewport *viewport;
	ImVec2 pos;
	ImVec2 clipMin, clipMax;
	ImFont *font;
	float fontSize;
	void *userData;
};

extern std::vector<OnDemandState> onDemandStack;

void OnDemandNewFrame();

OnDemandState &MarkOnDemandArea(const ImRect &bb);
OnDemandState &AddOnDemandItem(ImGuiID id, const ImRect &bb);
void AddOnDemandRender(ImGuiID id, const ImVec4 &bb, ImDrawCallback RenderCallback, void *userData = nullptr);
void AddOnDemandText(const char* maxText, ImDrawCallback RenderCallback);

void RenderOnDemandText(const OnDemandState &state, const char* fmt, ...);
void RenderOnDemandTextV(const OnDemandState &state, const char* fmt, va_list args);

#endif // IMGUI_ONDEMAND_H