1 files changed, 397 insertions, 0 deletions
diff --git a/archive/hgehelp/hgegui.cpp b/archive/hgehelp/hgegui.cpp
new file mode 100644
index 0000000..2faf24c
--- /dev/null
+++ b/archive/hgehelp/hgegui.cpp
@@ -0,0 +1,397 @@
+/*
+** Haaf's Game Engine 1.7
+** Copyright (C) 2003-2007, Relish Games
+** hge.relishgames.com
+**
+** hgeGUI helper class implementation
+*/
+
+
+#include "hgegui.h"
+
+
+HGE *hgeGUI::hge=0;
+HGE *hgeGUIObject::hge=0;
+
+
+hgeGUI::hgeGUI()
+{
+	hge=hgeCreate(HGE_VERSION);
+
+	ctrls=0;
+	ctrlLock=0;
+	ctrlFocus=0;
+	ctrlOver=0;
+	navmode=HGEGUI_NONAVKEYS;
+	bLPressed=bLReleased=false;
+	bRPressed=bRReleased=false;
+	nWheel=0;
+	mx=my=0.0f;
+	nEnterLeave=0;
+	sprCursor=0;
+}
+
+hgeGUI::~hgeGUI()
+{
+	hgeGUIObject *ctrl=ctrls, *nextctrl;
+
+	while(ctrl)
+	{
+		nextctrl=ctrl->next;
+		delete ctrl;
+		ctrl=nextctrl;
+	}
+
+	hge->Release();
+}
+
+void hgeGUI::AddCtrl(hgeGUIObject *ctrl)
+{
+	hgeGUIObject *last=ctrls;
+
+	ctrl->gui=this;
+
+	if(!ctrls)
+	{
+		ctrls=ctrl;
+		ctrl->prev=0;
+		ctrl->next=0;
+	}
+	else
+	{
+		while(last->next) last=last->next;
+		last->next=ctrl;
+		ctrl->prev=last;
+		ctrl->next=0;
+	}
+}
+
+void hgeGUI::DelCtrl(int id)
+{
+	hgeGUIObject *ctrl=ctrls;
+
+	while(ctrl)
+	{
+		if(ctrl->id == id)
+		{
+			if(ctrl->prev) ctrl->prev->next = ctrl->next;
+			else ctrls = ctrl->next;
+			if(ctrl->next) ctrl->next->prev = ctrl->prev;
+			delete ctrl;
+			return;
+		}
+		ctrl=ctrl->next;
+	}
+}
+
+hgeGUIObject* hgeGUI::GetCtrl(int id) const
+{
+	hgeGUIObject *ctrl=ctrls;
+
+	while(ctrl)
+	{
+		if(ctrl->id == id) return ctrl;
+		ctrl=ctrl->next;
+	}
+
+	return NULL;
+}
+
+void hgeGUI::MoveCtrl(int id, float x, float y)
+{
+	hgeGUIObject *ctrl=GetCtrl(id);
+	ctrl->rect.x2=x + (ctrl->rect.x2 - ctrl->rect.x1);
+	ctrl->rect.y2=y + (ctrl->rect.y2 - ctrl->rect.y1);
+	ctrl->rect.x1=x;
+	ctrl->rect.y1=y;
+}
+
+void hgeGUI::ShowCtrl(int id, bool bVisible)
+{
+	GetCtrl(id)->bVisible=bVisible;
+}
+
+void hgeGUI::EnableCtrl(int id, bool bEnabled)
+{
+	GetCtrl(id)->bEnabled=bEnabled;
+}
+
+void hgeGUI::SetNavMode(int mode)
+{
+	navmode=mode;
+}
+
+void hgeGUI::SetCursor(hgeSprite *spr)
+{
+	sprCursor=spr;
+}
+
+
+void hgeGUI::SetColor(DWORD color)
+{
+	hgeGUIObject *ctrl=ctrls;
+
+	while(ctrl)
+	{
+		ctrl->SetColor(color);
+		ctrl=ctrl->next;
+	}
+}
+
+
+void hgeGUI::Reset()
+{
+	hgeGUIObject *ctrl=ctrls;
+
+	while(ctrl)
+	{
+		ctrl->Reset();
+		ctrl=ctrl->next;
+	}
+
+	ctrlLock=0;
+	ctrlOver=0;
+	ctrlFocus=0;
+}
+
+
+void hgeGUI::Move(float dx, float dy)
+{
+	hgeGUIObject *ctrl=ctrls;
+
+	while(ctrl)
+	{
+		ctrl->rect.x1 += dx;
+		ctrl->rect.y1 += dy;
+		ctrl->rect.x2 += dx;
+		ctrl->rect.y2 += dy;
+
+		ctrl=ctrl->next;
+	}
+}
+
+
+void hgeGUI::SetFocus(int id)
+{
+	hgeGUIObject *ctrlNewFocus=GetCtrl(id);
+
+	if(ctrlNewFocus==ctrlFocus) return;
+	if(!ctrlNewFocus)
+	{
+		if(ctrlFocus) ctrlFocus->Focus(false);
+		ctrlFocus=0;
+	}
+	else if(!ctrlNewFocus->bStatic && ctrlNewFocus->bVisible && ctrlNewFocus->bEnabled)
+	{
+		if(ctrlFocus) ctrlFocus->Focus(false);
+		if(ctrlNewFocus) ctrlNewFocus->Focus(true);
+		ctrlFocus=ctrlNewFocus;
+	}
+}
+
+int hgeGUI::GetFocus() const
+{
+	if(ctrlFocus) return ctrlFocus->id;
+	else return 0;
+}
+
+void hgeGUI::Enter()
+{
+	hgeGUIObject *ctrl=ctrls;
+
+	while(ctrl)
+	{
+		ctrl->Enter();
+		ctrl=ctrl->next;
+	}
+
+	nEnterLeave=2;
+}
+
+void hgeGUI::Leave()
+{
+	hgeGUIObject *ctrl=ctrls;
+
+	while(ctrl)
+	{
+		ctrl->Leave();
+		ctrl=ctrl->next;
+	}
+
+	ctrlFocus=0;
+	ctrlOver=0;
+	ctrlLock=0;
+	nEnterLeave=1;
+}
+
+void hgeGUI::Render()
+{
+	hgeGUIObject *ctrl=ctrls;
+
+	while(ctrl)
+	{
+		if(ctrl->bVisible) ctrl->Render();
+		ctrl=ctrl->next;
+	}
+
+	if(hge->Input_IsMouseOver() && sprCursor) sprCursor->Render(mx,my);
+}
+
+int hgeGUI::Update(float dt)
+{
+	bool bDone;
+	int key;
+	hgeGUIObject *ctrl;
+
+// Update the mouse variables
+
+	hge->Input_GetMousePos(&mx, &my);
+	bLPressed  = hge->Input_KeyDown(HGEK_LBUTTON);
+	bLReleased = hge->Input_KeyUp(HGEK_LBUTTON);
+	bRPressed  = hge->Input_KeyDown(HGEK_RBUTTON);
+	bRReleased = hge->Input_KeyUp(HGEK_RBUTTON);
+	nWheel=hge->Input_GetMouseWheel();
+
+// Update all controls
+
+	ctrl=ctrls;
+	while(ctrl)
+	{
+		ctrl->Update(dt);
+		ctrl=ctrl->next;
+	}
+
+// Handle Enter/Leave
+
+	if(nEnterLeave)
+	{
+		ctrl=ctrls; bDone=true;
+		while(ctrl)
+		{
+			if(!ctrl->IsDone()) { bDone=false; break; }
+			ctrl=ctrl->next;
+		}
+		if(!bDone) return 0;
+		else
+		{
+			if(nEnterLeave==1) return -1;
+			else nEnterLeave=0;
+		}
+	}
+
+// Handle keys
+
+	key=hge->Input_GetKey();
+	if(((navmode & HGEGUI_LEFTRIGHT) && key==HGEK_LEFT) ||
+		((navmode & HGEGUI_UPDOWN) && key==HGEK_UP))
+	{
+		ctrl=ctrlFocus;
+		if(!ctrl)
+		{
+			ctrl=ctrls;
+			if(!ctrl) return 0;
+		}
+		do {
+			ctrl=ctrl->prev;
+			if(!ctrl && ((navmode & HGEGUI_CYCLED) || !ctrlFocus))
+			{
+				ctrl=ctrls;
+				while(ctrl->next) ctrl=ctrl->next;
+			}
+			if(!ctrl || ctrl==ctrlFocus) break;
+		} while(ctrl->bStatic==true || ctrl->bVisible==false || ctrl->bEnabled==false);
+
+		if(ctrl && ctrl!=ctrlFocus)
+		{
+			if(ctrlFocus) ctrlFocus->Focus(false);
+			if(ctrl) ctrl->Focus(true);
+			ctrlFocus=ctrl;
+		}
+	}
+	else if(((navmode & HGEGUI_LEFTRIGHT) && key==HGEK_RIGHT) ||
+		((navmode & HGEGUI_UPDOWN) && key==HGEK_DOWN))
+	{
+		ctrl=ctrlFocus;
+		if(!ctrl)
+		{
+			ctrl=ctrls;
+			if(!ctrl) return 0;
+			while(ctrl->next) ctrl=ctrl->next;
+		}
+		do {
+			ctrl=ctrl->next;
+			if(!ctrl && ((navmode & HGEGUI_CYCLED) || !ctrlFocus)) ctrl=ctrls;
+			if(!ctrl || ctrl==ctrlFocus) break;
+		} while(ctrl->bStatic==true || ctrl->bVisible==false || ctrl->bEnabled==false);
+
+		if(ctrl && ctrl!=ctrlFocus)
+		{
+			if(ctrlFocus) ctrlFocus->Focus(false);
+			if(ctrl) ctrl->Focus(true);
+			ctrlFocus=ctrl;
+		}
+	}
+	else if(ctrlFocus && key && key!=HGEK_LBUTTON && key!=HGEK_RBUTTON)
+	{
+		if(ctrlFocus->KeyClick(key, hge->Input_GetChar())) return ctrlFocus->id;
+	}
+
+// Handle mouse
+
+	bool bLDown = hge->Input_GetKeyState(HGEK_LBUTTON);
+	bool bRDown = hge->Input_GetKeyState(HGEK_RBUTTON);
+
+	if(ctrlLock)
+	{
+		ctrl=ctrlLock;
+		if(!bLDown && !bRDown) ctrlLock=0;
+		if(ProcessCtrl(ctrl)) return ctrl->id;
+	}
+	else
+	{
+		// Find last (topmost) control
+
+		ctrl=ctrls;
+		if(ctrl)
+			while(ctrl->next) ctrl=ctrl->next;
+
+		while(ctrl)
+		{
+			if(ctrl->rect.TestPoint(mx,my) && ctrl->bEnabled)
+			{
+				if(ctrlOver != ctrl)
+				{
+					if(ctrlOver) ctrlOver->MouseOver(false);
+					ctrl->MouseOver(true);
+					ctrlOver=ctrl;
+				}
+
+				if(ProcessCtrl(ctrl)) return ctrl->id;
+				else return 0;
+			}
+			ctrl=ctrl->prev;
+		}
+
+		if(ctrlOver) {ctrlOver->MouseOver(false); ctrlOver=0;}
+
+	}
+
+	return 0;
+}
+
+bool hgeGUI::ProcessCtrl(hgeGUIObject *ctrl)
+{
+	bool bResult=false;
+
+	if(bLPressed)	{ ctrlLock=ctrl;SetFocus(ctrl->id);bResult=bResult || ctrl->MouseLButton(true); }
+	if(bRPressed)	{ ctrlLock=ctrl;SetFocus(ctrl->id);bResult=bResult || ctrl->MouseRButton(true); }
+	if(bLReleased)	{ bResult=bResult || ctrl->MouseLButton(false); }
+	if(bRReleased)	{ bResult=bResult || ctrl->MouseRButton(false); }
+	if(nWheel)		{ bResult=bResult || ctrl->MouseWheel(nWheel); }
+	bResult=bResult || ctrl->MouseMove(mx-ctrl->rect.x1,my-ctrl->rect.y1);
+
+	return bResult;
+}
+
+
+