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			676 lines
		
	
	
	
		
			18 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			676 lines
		
	
	
	
		
			18 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
//
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// Copyright (c) 2009-2010 Mikko Mononen memon@inside.org
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//
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// This software is provided 'as-is', without any express or implied
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// warranty.  In no event will the authors be held liable for any damages
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// arising from the use of this software.
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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// 1. The origin of this software must not be misrepresented; you must not
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//    claim that you wrote the original software. If you use this software
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//    in a product, an acknowledgment in the product documentation would be
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//    appreciated but is not required.
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// 2. Altered source versions must be plainly marked as such, and must not be
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//    misrepresented as being the original software.
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// 3. This notice may not be removed or altered from any source distribution.
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//
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#include <stdio.h>
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#include <string.h>
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#define _USE_MATH_DEFINES
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#include <math.h>
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#include "imgui.h"
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#ifdef WIN32
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#	define snprintf _snprintf
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#endif
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//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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static const unsigned TEXT_POOL_SIZE = 50000;
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static char g_textPool[TEXT_POOL_SIZE];
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static unsigned g_textPoolSize = 0;
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static const char* allocText(const char* text)
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{
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	unsigned len = static_cast<unsigned>(strlen(text)+1);
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	if (g_textPoolSize + len >= TEXT_POOL_SIZE)
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		return 0;
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	char* dst = &g_textPool[g_textPoolSize]; 
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	memcpy(dst, text, len);
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	g_textPoolSize += len;
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	return dst;
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}
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static const unsigned GFXCMD_QUEUE_SIZE = 5000;
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static imguiGfxCmd g_gfxCmdQueue[GFXCMD_QUEUE_SIZE];
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static unsigned g_gfxCmdQueueSize = 0;
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static void resetGfxCmdQueue()
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{
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	g_gfxCmdQueueSize = 0;
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	g_textPoolSize = 0;
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}
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static void addGfxCmdScissor(int x, int y, int w, int h)
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{
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	if (g_gfxCmdQueueSize >= GFXCMD_QUEUE_SIZE)
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		return;
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	imguiGfxCmd& cmd = g_gfxCmdQueue[g_gfxCmdQueueSize++];
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	cmd.type = IMGUI_GFXCMD_SCISSOR;
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	cmd.flags = x < 0 ? 0 : 1;	// on/off flag.
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	cmd.col = 0;
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	cmd.rect.x = (short)x;
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	cmd.rect.y = (short)y;
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	cmd.rect.w = (short)w;
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	cmd.rect.h = (short)h;
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}
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static void addGfxCmdRect(float x, float y, float w, float h, unsigned int color)
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{
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	if (g_gfxCmdQueueSize >= GFXCMD_QUEUE_SIZE)
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		return;
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	imguiGfxCmd& cmd = g_gfxCmdQueue[g_gfxCmdQueueSize++];
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	cmd.type = IMGUI_GFXCMD_RECT;
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	cmd.flags = 0;
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	cmd.col = color;
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	cmd.rect.x = (short)(x*8.0f);
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	cmd.rect.y = (short)(y*8.0f);
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	cmd.rect.w = (short)(w*8.0f);
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	cmd.rect.h = (short)(h*8.0f);
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	cmd.rect.r = 0;
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}
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static void addGfxCmdLine(float x0, float y0, float x1, float y1, float r, unsigned int color)
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{
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	if (g_gfxCmdQueueSize >= GFXCMD_QUEUE_SIZE)
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		return;
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	imguiGfxCmd& cmd = g_gfxCmdQueue[g_gfxCmdQueueSize++];
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	cmd.type = IMGUI_GFXCMD_LINE;
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	cmd.flags = 0;
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	cmd.col = color;
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	cmd.line.x0 = (short)(x0*8.0f);
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	cmd.line.y0 = (short)(y0*8.0f);
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	cmd.line.x1 = (short)(x1*8.0f);
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	cmd.line.y1 = (short)(y1*8.0f);
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	cmd.line.r = (short)(r*8.0f);
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}
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static void addGfxCmdRoundedRect(float x, float y, float w, float h, float r, unsigned int color)
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{
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	if (g_gfxCmdQueueSize >= GFXCMD_QUEUE_SIZE)
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		return;
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	imguiGfxCmd& cmd = g_gfxCmdQueue[g_gfxCmdQueueSize++];
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	cmd.type = IMGUI_GFXCMD_RECT;
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	cmd.flags = 0;
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	cmd.col = color;
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	cmd.rect.x = (short)(x*8.0f);
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	cmd.rect.y = (short)(y*8.0f);
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	cmd.rect.w = (short)(w*8.0f);
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	cmd.rect.h = (short)(h*8.0f);
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	cmd.rect.r = (short)(r*8.0f);
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}
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static void addGfxCmdTriangle(int x, int y, int w, int h, int flags, unsigned int color)
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{
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	if (g_gfxCmdQueueSize >= GFXCMD_QUEUE_SIZE)
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		return;
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	imguiGfxCmd& cmd = g_gfxCmdQueue[g_gfxCmdQueueSize++];
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	cmd.type = IMGUI_GFXCMD_TRIANGLE;
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	cmd.flags = (char)flags;
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	cmd.col = color;
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	cmd.rect.x = (short)(x*8.0f);
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	cmd.rect.y = (short)(y*8.0f);
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	cmd.rect.w = (short)(w*8.0f);
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	cmd.rect.h = (short)(h*8.0f);
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}
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static void addGfxCmdText(int x, int y, int align, const char* text, unsigned int color)
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{
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	if (g_gfxCmdQueueSize >= GFXCMD_QUEUE_SIZE)
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		return;
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	imguiGfxCmd& cmd = g_gfxCmdQueue[g_gfxCmdQueueSize++];
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	cmd.type = IMGUI_GFXCMD_TEXT;
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	cmd.flags = 0;
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	cmd.col = color;
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	cmd.text.x = (short)x;
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	cmd.text.y = (short)y;
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	cmd.text.align = (short)align;
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	cmd.text.text = allocText(text);
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}
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//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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struct GuiState
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{
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	GuiState() :
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		left(false), leftPressed(false), leftReleased(false),
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		mx(-1), my(-1), scroll(0),
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		active(0), hot(0), hotToBe(0), isHot(false), isActive(false), wentActive(false),
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		dragX(0), dragY(0), dragOrig(0), widgetX(0), widgetY(0), widgetW(100),
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		insideCurrentScroll(false),  areaId(0), widgetId(0)
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	{
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	}
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	bool left;
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	bool leftPressed, leftReleased;
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	int mx,my;
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	int scroll;
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	unsigned int active;
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	unsigned int hot;
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	unsigned int hotToBe;
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	bool isHot;
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	bool isActive;
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	bool wentActive;
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	int dragX, dragY;
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	float dragOrig;
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	int widgetX, widgetY, widgetW;
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	bool insideCurrentScroll;
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	unsigned int areaId;
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	unsigned int widgetId;
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};
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static GuiState g_state;
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inline bool anyActive()
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{
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	return g_state.active != 0;
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}
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inline bool isActive(unsigned int id)
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{
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	return g_state.active == id;
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}
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inline bool isHot(unsigned int id)
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{
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	return g_state.hot == id;
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}
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inline bool inRect(int x, int y, int w, int h, bool checkScroll = true)
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{
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   return (!checkScroll || g_state.insideCurrentScroll) && g_state.mx >= x && g_state.mx <= x+w && g_state.my >= y && g_state.my <= y+h;
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}
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inline void clearInput()
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{
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	g_state.leftPressed = false;
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	g_state.leftReleased = false;
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	g_state.scroll = 0;
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}
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inline void clearActive()
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{
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	g_state.active = 0;
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	// mark all UI for this frame as processed
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	clearInput();
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}
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inline void setActive(unsigned int id)
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{
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	g_state.active = id;
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	g_state.wentActive = true;
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}
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inline void setHot(unsigned int id)
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{
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   g_state.hotToBe = id;
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}
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static bool buttonLogic(unsigned int id, bool over)
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{
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	bool res = false;
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	// process down
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	if (!anyActive())
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	{
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		if (over)
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			setHot(id);
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		if (isHot(id) && g_state.leftPressed)
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			setActive(id);
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	}
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	// if button is active, then react on left up
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	if (isActive(id))
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	{
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		g_state.isActive = true;
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		if (over)
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			setHot(id);
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		if (g_state.leftReleased)
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		{
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			if (isHot(id))
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				res = true;
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			clearActive();
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		}
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	}
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	if (isHot(id))
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		g_state.isHot = true;
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	return res;
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}
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static void updateInput(int mx, int my, unsigned char mbut, int scroll)
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{
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	bool left = (mbut & IMGUI_MBUT_LEFT) != 0;
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	g_state.mx = mx;
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	g_state.my = my;
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	g_state.leftPressed = !g_state.left && left;
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	g_state.leftReleased = g_state.left && !left;
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	g_state.left = left;
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	g_state.scroll = scroll;
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}
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void imguiBeginFrame(int mx, int my, unsigned char mbut, int scroll)
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{
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	updateInput(mx,my,mbut,scroll);
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	g_state.hot = g_state.hotToBe;
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	g_state.hotToBe = 0;
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	g_state.wentActive = false;
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	g_state.isActive = false;
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	g_state.isHot = false;
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	g_state.widgetX = 0;
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	g_state.widgetY = 0;
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	g_state.widgetW = 0;
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	g_state.areaId = 1;
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	g_state.widgetId = 1;
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	resetGfxCmdQueue();
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}
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void imguiEndFrame()
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{
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	clearInput();
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}
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const imguiGfxCmd* imguiGetRenderQueue()
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{
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	return g_gfxCmdQueue;
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}
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int imguiGetRenderQueueSize()
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{
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	return g_gfxCmdQueueSize;
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}
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//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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static const int BUTTON_HEIGHT = 20;
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static const int SLIDER_HEIGHT = 20;
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static const int SLIDER_MARKER_WIDTH = 10;
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static const int CHECK_SIZE = 8;
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static const int DEFAULT_SPACING = 4;
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static const int TEXT_HEIGHT = 8;
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static const int SCROLL_AREA_PADDING = 6;
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static const int INDENT_SIZE = 16;
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static const int AREA_HEADER = 28;
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static int g_scrollTop = 0;
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static int g_scrollBottom = 0;
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static int g_scrollRight = 0;
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static int g_scrollAreaTop = 0;
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static int* g_scrollVal = 0;
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static int g_focusTop = 0;
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static int g_focusBottom = 0;
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static unsigned int g_scrollId = 0;
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static bool g_insideScrollArea = false;
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bool imguiBeginScrollArea(const char* name, int x, int y, int w, int h, int* scroll)
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{
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	g_state.areaId++;
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	g_state.widgetId = 0;
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	g_scrollId = (g_state.areaId<<16) | g_state.widgetId;
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	g_state.widgetX = x + SCROLL_AREA_PADDING;
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	g_state.widgetY = y+h-AREA_HEADER + (*scroll);
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	g_state.widgetW = w - SCROLL_AREA_PADDING*4;
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	g_scrollTop = y-AREA_HEADER+h;
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	g_scrollBottom = y+SCROLL_AREA_PADDING;
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	g_scrollRight = x+w - SCROLL_AREA_PADDING*3;
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	g_scrollVal = scroll;
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	g_scrollAreaTop = g_state.widgetY;
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	g_focusTop = y-AREA_HEADER;
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	g_focusBottom = y-AREA_HEADER+h;
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	g_insideScrollArea = inRect(x, y, w, h, false);
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	g_state.insideCurrentScroll = g_insideScrollArea;
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	addGfxCmdRoundedRect((float)x, (float)y, (float)w, (float)h, 6, imguiRGBA(0,0,0,192));
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	addGfxCmdText(x+AREA_HEADER/2, y+h-AREA_HEADER/2-TEXT_HEIGHT/2, IMGUI_ALIGN_LEFT, name, imguiRGBA(255,255,255,128));
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	addGfxCmdScissor(x+SCROLL_AREA_PADDING, y+SCROLL_AREA_PADDING, w-SCROLL_AREA_PADDING*4, h-AREA_HEADER-SCROLL_AREA_PADDING);
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	return g_insideScrollArea;
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}
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void imguiEndScrollArea()
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{
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	// Disable scissoring.
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	addGfxCmdScissor(-1,-1,-1,-1);
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	// Draw scroll bar
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	int x = g_scrollRight+SCROLL_AREA_PADDING/2;
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	int y = g_scrollBottom;
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	int w = SCROLL_AREA_PADDING*2;
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	int h = g_scrollTop - g_scrollBottom;
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	int stop = g_scrollAreaTop;
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	int sbot = g_state.widgetY;
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	int sh = stop - sbot; // The scrollable area height.
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	float barHeight = (float)h/(float)sh;
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	if (barHeight < 1)
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	{
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		float barY = (float)(y - sbot)/(float)sh;
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		if (barY < 0) barY = 0;
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		if (barY > 1) barY = 1;
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		// Handle scroll bar logic.
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		unsigned int hid = g_scrollId;
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		int hx = x;
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		int hy = y + (int)(barY*h);
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		int hw = w;
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		int hh = (int)(barHeight*h);
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		const int range = h - (hh-1);
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		bool over = inRect(hx, hy, hw, hh);
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		buttonLogic(hid, over);
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		if (isActive(hid))
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		{
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			float u = (float)(hy-y) / (float)range;
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			if (g_state.wentActive)
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			{
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				g_state.dragY = g_state.my;
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				g_state.dragOrig = u;
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			}
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			if (g_state.dragY != g_state.my)
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			{
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				u = g_state.dragOrig + (g_state.my - g_state.dragY) / (float)range;
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				if (u < 0) u = 0;
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				if (u > 1) u = 1;
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				*g_scrollVal = (int)((1-u) * (sh - h));
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			}
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		}
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		// BG
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		addGfxCmdRoundedRect((float)x, (float)y, (float)w, (float)h, (float)w/2-1, imguiRGBA(0,0,0,196));
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		// Bar
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		if (isActive(hid))
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			addGfxCmdRoundedRect((float)hx, (float)hy, (float)hw, (float)hh, (float)w/2-1, imguiRGBA(255,196,0,196));
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		else
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			addGfxCmdRoundedRect((float)hx, (float)hy, (float)hw, (float)hh, (float)w/2-1, isHot(hid) ? imguiRGBA(255,196,0,96) : imguiRGBA(255,255,255,64));
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		// Handle mouse scrolling.
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		if (g_insideScrollArea) // && !anyActive())
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		{
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			if (g_state.scroll)
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			{
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				*g_scrollVal += 20*g_state.scroll;
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				if (*g_scrollVal < 0) *g_scrollVal = 0;
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				if (*g_scrollVal > (sh - h)) *g_scrollVal = (sh - h);
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			}
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		}
 | 
						|
	}
 | 
						|
	g_state.insideCurrentScroll = false;
 | 
						|
}
 | 
						|
 | 
						|
bool imguiButton(const char* text, bool enabled)
 | 
						|
{
 | 
						|
	g_state.widgetId++;
 | 
						|
	unsigned int id = (g_state.areaId<<16) | g_state.widgetId;
 | 
						|
	
 | 
						|
	int x = g_state.widgetX;
 | 
						|
	int y = g_state.widgetY - BUTTON_HEIGHT;
 | 
						|
	int w = g_state.widgetW;
 | 
						|
	int h = BUTTON_HEIGHT;
 | 
						|
	g_state.widgetY -= BUTTON_HEIGHT + DEFAULT_SPACING;
 | 
						|
 | 
						|
	bool over = enabled && inRect(x, y, w, h);
 | 
						|
	bool res = buttonLogic(id, over);
 | 
						|
 | 
						|
	addGfxCmdRoundedRect((float)x, (float)y, (float)w, (float)h, (float)BUTTON_HEIGHT/2-1, imguiRGBA(128,128,128, isActive(id)?196:96));
 | 
						|
	if (enabled)
 | 
						|
		addGfxCmdText(x+BUTTON_HEIGHT/2, y+BUTTON_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_LEFT, text, isHot(id) ? imguiRGBA(255,196,0,255) : imguiRGBA(255,255,255,200));
 | 
						|
	else
 | 
						|
		addGfxCmdText(x+BUTTON_HEIGHT/2, y+BUTTON_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_LEFT, text, imguiRGBA(128,128,128,200));
 | 
						|
 | 
						|
	return res;
 | 
						|
}
 | 
						|
 | 
						|
bool imguiItem(const char* text, bool enabled)
 | 
						|
{
 | 
						|
	g_state.widgetId++;
 | 
						|
	unsigned int id = (g_state.areaId<<16) | g_state.widgetId;
 | 
						|
	
 | 
						|
	int x = g_state.widgetX;
 | 
						|
	int y = g_state.widgetY - BUTTON_HEIGHT;
 | 
						|
	int w = g_state.widgetW;
 | 
						|
	int h = BUTTON_HEIGHT;
 | 
						|
	g_state.widgetY -= BUTTON_HEIGHT + DEFAULT_SPACING;
 | 
						|
	
 | 
						|
	bool over = enabled && inRect(x, y, w, h);
 | 
						|
	bool res = buttonLogic(id, over);
 | 
						|
	
 | 
						|
	if (isHot(id))
 | 
						|
		addGfxCmdRoundedRect((float)x, (float)y, (float)w, (float)h, 2.0f, imguiRGBA(255,196,0,isActive(id)?196:96));
 | 
						|
 | 
						|
	if (enabled)
 | 
						|
		addGfxCmdText(x+BUTTON_HEIGHT/2, y+BUTTON_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_LEFT, text, imguiRGBA(255,255,255,200));
 | 
						|
	else
 | 
						|
		addGfxCmdText(x+BUTTON_HEIGHT/2, y+BUTTON_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_LEFT, text, imguiRGBA(128,128,128,200));
 | 
						|
	
 | 
						|
	return res;
 | 
						|
}
 | 
						|
 | 
						|
bool imguiCheck(const char* text, bool checked, bool enabled)
 | 
						|
{
 | 
						|
	g_state.widgetId++;
 | 
						|
	unsigned int id = (g_state.areaId<<16) | g_state.widgetId;
 | 
						|
	
 | 
						|
	int x = g_state.widgetX;
 | 
						|
	int y = g_state.widgetY - BUTTON_HEIGHT;
 | 
						|
	int w = g_state.widgetW;
 | 
						|
	int h = BUTTON_HEIGHT;
 | 
						|
	g_state.widgetY -= BUTTON_HEIGHT + DEFAULT_SPACING;
 | 
						|
 | 
						|
	bool over = enabled && inRect(x, y, w, h);
 | 
						|
	bool res = buttonLogic(id, over);
 | 
						|
	
 | 
						|
	const int cx = x+BUTTON_HEIGHT/2-CHECK_SIZE/2;
 | 
						|
	const int cy = y+BUTTON_HEIGHT/2-CHECK_SIZE/2;
 | 
						|
	addGfxCmdRoundedRect((float)cx-3, (float)cy-3, (float)CHECK_SIZE+6, (float)CHECK_SIZE+6, 4, imguiRGBA(128,128,128, isActive(id)?196:96));
 | 
						|
	if (checked)
 | 
						|
	{
 | 
						|
		if (enabled)
 | 
						|
			addGfxCmdRoundedRect((float)cx, (float)cy, (float)CHECK_SIZE, (float)CHECK_SIZE, (float)CHECK_SIZE/2-1, imguiRGBA(255,255,255,isActive(id)?255:200));
 | 
						|
		else
 | 
						|
			addGfxCmdRoundedRect((float)cx, (float)cy, (float)CHECK_SIZE, (float)CHECK_SIZE, (float)CHECK_SIZE/2-1, imguiRGBA(128,128,128,200));
 | 
						|
	}
 | 
						|
 | 
						|
	if (enabled)
 | 
						|
		addGfxCmdText(x+BUTTON_HEIGHT, y+BUTTON_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_LEFT, text, isHot(id) ? imguiRGBA(255,196,0,255) : imguiRGBA(255,255,255,200));
 | 
						|
	else
 | 
						|
		addGfxCmdText(x+BUTTON_HEIGHT, y+BUTTON_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_LEFT, text, imguiRGBA(128,128,128,200));
 | 
						|
 | 
						|
	return res;
 | 
						|
}
 | 
						|
 | 
						|
bool imguiCollapse(const char* text, const char* subtext, bool checked, bool enabled)
 | 
						|
{
 | 
						|
	g_state.widgetId++;
 | 
						|
	unsigned int id = (g_state.areaId<<16) | g_state.widgetId;
 | 
						|
	
 | 
						|
	int x = g_state.widgetX;
 | 
						|
	int y = g_state.widgetY - BUTTON_HEIGHT;
 | 
						|
	int w = g_state.widgetW;
 | 
						|
	int h = BUTTON_HEIGHT;
 | 
						|
	g_state.widgetY -= BUTTON_HEIGHT; // + DEFAULT_SPACING;
 | 
						|
 | 
						|
	const int cx = x+BUTTON_HEIGHT/2-CHECK_SIZE/2;
 | 
						|
	const int cy = y+BUTTON_HEIGHT/2-CHECK_SIZE/2;
 | 
						|
 | 
						|
	bool over = enabled && inRect(x, y, w, h);
 | 
						|
	bool res = buttonLogic(id, over);
 | 
						|
	
 | 
						|
	if (checked)
 | 
						|
		addGfxCmdTriangle(cx, cy, CHECK_SIZE, CHECK_SIZE, 2, imguiRGBA(255,255,255,isActive(id)?255:200));
 | 
						|
	else
 | 
						|
		addGfxCmdTriangle(cx, cy, CHECK_SIZE, CHECK_SIZE, 1, imguiRGBA(255,255,255,isActive(id)?255:200));
 | 
						|
 | 
						|
	if (enabled)
 | 
						|
		addGfxCmdText(x+BUTTON_HEIGHT, y+BUTTON_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_LEFT, text, isHot(id) ? imguiRGBA(255,196,0,255) : imguiRGBA(255,255,255,200));
 | 
						|
	else
 | 
						|
		addGfxCmdText(x+BUTTON_HEIGHT, y+BUTTON_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_LEFT, text, imguiRGBA(128,128,128,200));
 | 
						|
 | 
						|
	if (subtext)
 | 
						|
		addGfxCmdText(x+w-BUTTON_HEIGHT/2, y+BUTTON_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_RIGHT, subtext, imguiRGBA(255,255,255,128));
 | 
						|
	
 | 
						|
	return res;
 | 
						|
}
 | 
						|
 | 
						|
void imguiLabel(const char* text)
 | 
						|
{
 | 
						|
	int x = g_state.widgetX;
 | 
						|
	int y = g_state.widgetY - BUTTON_HEIGHT;
 | 
						|
	g_state.widgetY -= BUTTON_HEIGHT;
 | 
						|
	addGfxCmdText(x, y+BUTTON_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_LEFT, text, imguiRGBA(255,255,255,255));
 | 
						|
}
 | 
						|
 | 
						|
void imguiValue(const char* text)
 | 
						|
{
 | 
						|
	const int x = g_state.widgetX;
 | 
						|
	const int y = g_state.widgetY - BUTTON_HEIGHT;
 | 
						|
	const int w = g_state.widgetW;
 | 
						|
	g_state.widgetY -= BUTTON_HEIGHT;
 | 
						|
	
 | 
						|
	addGfxCmdText(x+w-BUTTON_HEIGHT/2, y+BUTTON_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_RIGHT, text, imguiRGBA(255,255,255,200));
 | 
						|
}
 | 
						|
 | 
						|
bool imguiSlider(const char* text, float* val, float vmin, float vmax, float vinc, bool enabled)
 | 
						|
{
 | 
						|
	g_state.widgetId++;
 | 
						|
	unsigned int id = (g_state.areaId<<16) | g_state.widgetId;
 | 
						|
	
 | 
						|
	int x = g_state.widgetX;
 | 
						|
	int y = g_state.widgetY - BUTTON_HEIGHT;
 | 
						|
	int w = g_state.widgetW;
 | 
						|
	int h = SLIDER_HEIGHT;
 | 
						|
	g_state.widgetY -= SLIDER_HEIGHT + DEFAULT_SPACING;
 | 
						|
 | 
						|
	addGfxCmdRoundedRect((float)x, (float)y, (float)w, (float)h, 4.0f, imguiRGBA(0,0,0,128));
 | 
						|
 | 
						|
	const int range = w - SLIDER_MARKER_WIDTH;
 | 
						|
 | 
						|
	float u = (*val - vmin) / (vmax-vmin);
 | 
						|
	if (u < 0) u = 0;
 | 
						|
	if (u > 1) u = 1;
 | 
						|
	int m = (int)(u * range);
 | 
						|
 | 
						|
	bool over = enabled && inRect(x+m, y, SLIDER_MARKER_WIDTH, SLIDER_HEIGHT);
 | 
						|
	bool res = buttonLogic(id, over);
 | 
						|
	bool valChanged = false;
 | 
						|
 | 
						|
	if (isActive(id))
 | 
						|
	{
 | 
						|
		if (g_state.wentActive)
 | 
						|
		{
 | 
						|
			g_state.dragX = g_state.mx;
 | 
						|
			g_state.dragOrig = u;
 | 
						|
		}
 | 
						|
		if (g_state.dragX != g_state.mx)
 | 
						|
		{
 | 
						|
			u = g_state.dragOrig + (float)(g_state.mx - g_state.dragX) / (float)range;
 | 
						|
			if (u < 0) u = 0;
 | 
						|
			if (u > 1) u = 1;
 | 
						|
			*val = vmin + u*(vmax-vmin);
 | 
						|
			*val = floorf(*val/vinc+0.5f)*vinc; // Snap to vinc
 | 
						|
			m = (int)(u * range);
 | 
						|
			valChanged = true;
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	if (isActive(id))
 | 
						|
		addGfxCmdRoundedRect((float)(x+m), (float)y, (float)SLIDER_MARKER_WIDTH, (float)SLIDER_HEIGHT, 4.0f, imguiRGBA(255,255,255,255));
 | 
						|
	else
 | 
						|
		addGfxCmdRoundedRect((float)(x+m), (float)y, (float)SLIDER_MARKER_WIDTH, (float)SLIDER_HEIGHT, 4.0f, isHot(id) ? imguiRGBA(255,196,0,128) : imguiRGBA(255,255,255,64));
 | 
						|
 | 
						|
	// TODO: fix this, take a look at 'nicenum'.
 | 
						|
	int digits = (int)(ceilf(log10f(vinc)));
 | 
						|
	char fmt[16];
 | 
						|
	snprintf(fmt, 16, "%%.%df", digits >= 0 ? 0 : -digits);
 | 
						|
	char msg[128];
 | 
						|
	snprintf(msg, 128, fmt, *val);
 | 
						|
	
 | 
						|
	if (enabled)
 | 
						|
	{
 | 
						|
		addGfxCmdText(x+SLIDER_HEIGHT/2, y+SLIDER_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_LEFT, text, isHot(id) ? imguiRGBA(255,196,0,255) : imguiRGBA(255,255,255,200));
 | 
						|
		addGfxCmdText(x+w-SLIDER_HEIGHT/2, y+SLIDER_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_RIGHT, msg, isHot(id) ? imguiRGBA(255,196,0,255) : imguiRGBA(255,255,255,200));
 | 
						|
	}
 | 
						|
	else
 | 
						|
	{
 | 
						|
		addGfxCmdText(x+SLIDER_HEIGHT/2, y+SLIDER_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_LEFT, text, imguiRGBA(128,128,128,200));
 | 
						|
		addGfxCmdText(x+w-SLIDER_HEIGHT/2, y+SLIDER_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_RIGHT, msg, imguiRGBA(128,128,128,200));
 | 
						|
	}
 | 
						|
 | 
						|
	return res || valChanged;
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
void imguiIndent()
 | 
						|
{
 | 
						|
	g_state.widgetX += INDENT_SIZE;
 | 
						|
	g_state.widgetW -= INDENT_SIZE;
 | 
						|
}
 | 
						|
 | 
						|
void imguiUnindent()
 | 
						|
{
 | 
						|
	g_state.widgetX -= INDENT_SIZE;
 | 
						|
	g_state.widgetW += INDENT_SIZE;
 | 
						|
}
 | 
						|
 | 
						|
void imguiSeparator()
 | 
						|
{
 | 
						|
	g_state.widgetY -= DEFAULT_SPACING*3;
 | 
						|
}
 | 
						|
 | 
						|
void imguiSeparatorLine()
 | 
						|
{
 | 
						|
	int x = g_state.widgetX;
 | 
						|
	int y = g_state.widgetY - DEFAULT_SPACING*2;
 | 
						|
	int w = g_state.widgetW;
 | 
						|
	int h = 1;
 | 
						|
	g_state.widgetY -= DEFAULT_SPACING*4;
 | 
						|
 | 
						|
	addGfxCmdRect((float)x, (float)y, (float)w, (float)h, imguiRGBA(255,255,255,32));
 | 
						|
}
 | 
						|
 | 
						|
void imguiDrawText(int x, int y, int align, const char* text, unsigned int color)
 | 
						|
{
 | 
						|
	addGfxCmdText(x, y, align, text, color);
 | 
						|
}
 | 
						|
 | 
						|
void imguiDrawLine(float x0, float y0, float x1, float y1, float r, unsigned int color)
 | 
						|
{
 | 
						|
	addGfxCmdLine(x0, y0, x1, y1, r, color);
 | 
						|
}
 | 
						|
 | 
						|
void imguiDrawRect(float x, float y, float w, float h, unsigned int color)
 | 
						|
{
 | 
						|
	addGfxCmdRect(x, y, w, h, color);
 | 
						|
}
 | 
						|
 | 
						|
void imguiDrawRoundedRect(float x, float y, float w, float h, float r, unsigned int color)
 | 
						|
{
 | 
						|
	addGfxCmdRoundedRect(x, y, w, h, r, color);
 | 
						|
}
 | 
						|
 |