1 files changed, 362 insertions, 0 deletions
diff --git a/archive/hgehelp/hgeguictrls.cpp b/archive/hgehelp/hgeguictrls.cpp
new file mode 100644
index 0000000..4319491
--- /dev/null
+++ b/archive/hgehelp/hgeguictrls.cpp
@@ -0,0 +1,362 @@
+/*
+** Haaf's Game Engine 1.7
+** Copyright (C) 2003-2007, Relish Games
+** hge.relishgames.com
+**
+** hgeGUI default controls implementation
+*/
+
+
+#include "hgeguictrls.h"
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#define min(a,b) ((a)<(b)?(a):(b))
+#define max(a,b) ((a)>(b)?(a):(b))
+/*
+** hgeGUIText
+*/
+
+hgeGUIText::hgeGUIText(int _id, float x, float y, float w, float h, hgeFont *fnt)
+{
+	id=_id;
+	bStatic=true;
+	bVisible=true;
+	bEnabled=true;
+	rect.Set(x, y, x+w, y+h);
+
+	font=fnt;
+	tx=x;
+	ty=y+(h-fnt->GetHeight())/2.0f;
+
+	text[0]=0;
+}
+
+void hgeGUIText::SetMode(int _align)
+{
+	align=_align;
+	if(align==HGETEXT_RIGHT) tx=rect.x2;
+	else if(align==HGETEXT_CENTER) tx=(rect.x1+rect.x2)/2.0f;
+	else tx=rect.x1;
+}
+
+void hgeGUIText::SetText(const char *_text)
+{
+	strncpy(text, _text, sizeof(text)-1);
+	text[sizeof(text) - 1] = '\0';
+}
+
+void hgeGUIText::printf(const char *format, ...)
+{
+	va_list vl;
+	va_start(vl, format);
+	vsnprintf(text, sizeof(text)-1, format, vl);
+	va_end(vl);
+}
+
+void hgeGUIText::Render()
+{
+	font->SetColor(color);
+	font->Render(tx,ty,align,text);
+}
+
+/*
+** hgeGUIButton
+*/
+
+hgeGUIButton::hgeGUIButton(int _id, float x, float y, float w, float h, HTEXTURE tex, float tx, float ty)
+{
+	id=_id;
+	bStatic=false;
+	bVisible=true;
+	bEnabled=true;
+	rect.Set(x, y, x+w, y+h);
+
+	bPressed=false;
+	bTrigger=false;
+
+	sprUp = new hgeSprite(tex, tx, ty, w, h);
+	sprDown = new hgeSprite(tex, tx+w, ty, w, h);
+}
+
+hgeGUIButton::~hgeGUIButton()
+{
+	if(sprUp) delete sprUp;
+	if(sprDown) delete sprDown;
+}
+
+void hgeGUIButton::Render()
+{
+	if(bPressed) sprDown->Render(rect.x1, rect.y1);
+	else sprUp->Render(rect.x1, rect.y1);
+}
+
+bool hgeGUIButton::MouseLButton(bool bDown)
+{
+	if(bDown)
+	{
+		bOldState=bPressed; bPressed=true;
+		return false;
+	}
+	else
+	{
+		if(bTrigger) bPressed=!bOldState;
+		else bPressed=false;
+		return true;
+	}
+}
+
+/*
+** hgeGUISlider
+*/
+
+hgeGUISlider::hgeGUISlider(int _id, float x, float y, float w, float h, HTEXTURE tex, float tx, float ty, float sw, float sh, bool vertical)
+{
+	id=_id;
+	bStatic=false;
+	bVisible=true;
+	bEnabled=true;
+	bPressed=false;
+	bVertical=vertical;
+	rect.Set(x, y, x+w, y+h);
+
+	mode=HGESLIDER_BAR;
+	fMin=0; fMax=100; fVal=50;
+	sl_w=sw; sl_h=sh;
+
+	sprSlider=new hgeSprite(tex, tx, ty, sw, sh);
+}
+
+hgeGUISlider::~hgeGUISlider()
+{
+	if(sprSlider) delete sprSlider;
+}
+
+void hgeGUISlider::SetValue(float _fVal)
+{
+	if(_fVal<fMin) fVal=fMin;
+	else if(_fVal>fMax) fVal=fMax;
+	else fVal=_fVal;
+}
+
+void hgeGUISlider::Render()
+{
+	float xx, yy;
+	float x1,y1,x2,y2;
+
+	xx=rect.x1+(rect.x2-rect.x1)*(fVal-fMin)/(fMax-fMin);
+	yy=rect.y1+(rect.y2-rect.y1)*(fVal-fMin)/(fMax-fMin);
+
+	if(bVertical)
+		switch(mode)
+		{
+			case HGESLIDER_BAR: x1=rect.x1; y1=rect.y1; x2=rect.x2; y2=yy; break;
+			case HGESLIDER_BARRELATIVE: x1=rect.x1; y1=(rect.y1+rect.y2)/2; x2=rect.x2; y2=yy; break;
+			case HGESLIDER_SLIDER: x1=(rect.x1+rect.x2-sl_w)/2; y1=yy-sl_h/2; x2=(rect.x1+rect.x2+sl_w)/2; y2=yy+sl_h/2; break;
+		}
+	else
+		switch(mode)
+		{
+			case HGESLIDER_BAR: x1=rect.x1; y1=rect.y1; x2=xx; y2=rect.y2; break;
+			case HGESLIDER_BARRELATIVE: x1=(rect.x1+rect.x2)/2; y1=rect.y1; x2=xx; y2=rect.y2; break;
+			case HGESLIDER_SLIDER: x1=xx-sl_w/2; y1=(rect.y1+rect.y2-sl_h)/2; x2=xx+sl_w/2; y2=(rect.y1+rect.y2+sl_h)/2; break;
+		}
+
+	sprSlider->RenderStretch(x1, y1, x2, y2);
+}
+
+bool hgeGUISlider::MouseLButton(bool bDown)
+{
+	bPressed=bDown;
+	return false;
+}
+
+bool hgeGUISlider::MouseMove(float x, float y)
+{
+	if(bPressed)
+	{
+		if(bVertical)
+		{
+			if(y>rect.y2-rect.y1) y=rect.y2-rect.y1;
+			if(y<0) y=0;
+			fVal=fMin+(fMax-fMin)*y/(rect.y2-rect.y1);
+		}
+		else
+		{
+			if(x>rect.x2-rect.x1) x=rect.x2-rect.x1;
+			if(x<0) x=0;
+			fVal=fMin+(fMax-fMin)*x/(rect.x2-rect.x1);
+		}
+		return true;
+	}
+
+	return false;
+}
+
+
+/*
+** hgeGUIListbox
+*/
+
+hgeGUIListbox::hgeGUIListbox(int _id, float x, float y, float w, float h, hgeFont *fnt, DWORD tColor, DWORD thColor, DWORD hColor)
+{
+	id=_id;
+	bStatic=false;
+	bVisible=true;
+	bEnabled=true;
+	rect.Set(x, y, x+w, y+h);
+	font=fnt;
+	sprHighlight=new hgeSprite(0, 0, 0, w, fnt->GetHeight());
+	sprHighlight->SetColor(hColor);
+	textColor=tColor;
+	texthilColor=thColor;
+	pItems=0;
+	nItems=0;
+
+	nSelectedItem=0;
+	nTopItem=0;
+	mx=0; my=0;
+}
+
+hgeGUIListbox::~hgeGUIListbox()
+{
+	Clear();
+	if(sprHighlight) delete sprHighlight;
+}
+
+
+int hgeGUIListbox::AddItem(char *item)
+{
+	hgeGUIListboxItem *pItem=pItems, *pPrev=0, *pNew;
+
+	pNew = new hgeGUIListboxItem;
+	memcpy(pNew->text, item, min(sizeof(pNew->text), strlen(item)+1));
+	pNew->text[sizeof(pNew->text)-1]='\0';
+	pNew->next=0;
+
+	while(pItem) { pPrev=pItem;	pItem=pItem->next; }
+
+	if(pPrev) pPrev->next=pNew;
+	else pItems=pNew;
+	nItems++;
+
+	return nItems-1;
+}
+
+void hgeGUIListbox::DeleteItem(int n)
+{
+	int i;
+	hgeGUIListboxItem *pItem=pItems, *pPrev=0;
+
+	if(n<0 || n>=GetNumItems()) return;
+
+	for(i=0;i<n;i++) { pPrev=pItem;	pItem=pItem->next; }
+
+	if(pPrev) pPrev->next=pItem->next;
+	else pItems=pItem->next;
+
+	delete pItem;
+	nItems--;
+}
+
+char *hgeGUIListbox::GetItemText(int n)
+{
+	int i;
+	hgeGUIListboxItem *pItem=pItems;
+
+	if(n<0 || n>=GetNumItems()) return 0;
+
+	for(i=0;i<n;i++) pItem=pItem->next;
+
+	return pItem->text;
+}
+
+void hgeGUIListbox::Clear()
+{
+	hgeGUIListboxItem *pItem=pItems, *pNext;
+
+	while(pItem)
+	{
+		pNext=pItem->next;
+		delete pItem;
+		pItem=pNext;
+	}
+
+	pItems=0;
+	nItems=0;
+}
+
+void hgeGUIListbox::Render()
+{
+	int i;
+	hgeGUIListboxItem *pItem=pItems;
+
+	for(i=0;i<nTopItem;i++) pItem=pItem->next;
+	for(i=0;i<GetNumRows();i++)
+	{
+		if(i>=nItems) return;
+
+		if(nTopItem+i == nSelectedItem)
+		{
+			sprHighlight->Render(rect.x1,rect.y1+i*font->GetHeight());
+			font->SetColor(texthilColor);
+		}
+		else
+			font->SetColor(textColor);
+
+		font->Render(rect.x1+3, rect.y1+i*font->GetHeight(), HGETEXT_LEFT, pItem->text);
+		pItem=pItem->next;
+	}
+}
+
+bool hgeGUIListbox::MouseLButton(bool bDown)
+{
+	int nItem;
+
+	if(bDown)
+	{
+		nItem=nTopItem+int(my)/int(font->GetHeight());
+		if(nItem<nItems)
+		{
+			nSelectedItem=nItem;
+			return true;
+		}
+	}
+	return false;
+}
+
+
+bool hgeGUIListbox::MouseWheel(int nNotches)
+{
+	nTopItem-=nNotches;
+	if(nTopItem<0) nTopItem=0;
+	if(nTopItem>GetNumItems()-GetNumRows()) nTopItem=GetNumItems()-GetNumRows();
+
+	return true;
+}
+
+bool hgeGUIListbox::KeyClick(int key, int chr)
+{
+	switch(key)
+	{
+		case HGEK_DOWN:
+			if(nSelectedItem < nItems-1)
+			{
+				nSelectedItem++;
+				if(nSelectedItem > nTopItem+GetNumRows()-1) nTopItem=nSelectedItem-GetNumRows()+1;
+				return true;
+			}
+			break;
+
+		case HGEK_UP:
+			if(nSelectedItem > 0)
+			{
+				nSelectedItem--;
+				if(nSelectedItem < nTopItem) nTopItem=nSelectedItem;
+				return true;
+			}
+			break;
+	}
+	return false;
+}