guiappwindow.cpp

老外为HGE写的扩展GUI

#include "guiappwindow.h"
#include "guiapp.h"

void GUIAppWindow::SetupSize(float x, float y, float w, float h ) {
	rect.x1 = x;
	rect.x2 = x + w;
	rect.y1 = y;
	rect.y2 = y + h;
	
	windowBg.v[0].x = x;
	windowBg.v[0].y = y;
	windowBg.v[0].z = 0;
	windowBg.v[0].col = bgColor;
	windowBg.v[0].tx = 0;
	windowBg.v[0].ty = 0;
	
	windowBg.v[1].x = x + w;
	windowBg.v[1].y = y;
	windowBg.v[1].z = 0;
	windowBg.v[1].col = bgColor;
	windowBg.v[1].tx = 0;
	windowBg.v[1].ty = 0;
	
	windowBg.v[2].x = x + w;
	windowBg.v[2].y = y + h;
	windowBg.v[2].z = 0;
	windowBg.v[2].col = bgColor;
	windowBg.v[2].tx = 0;
	windowBg.v[2].ty = 0;
	
	windowBg.v[3].x = x;
	windowBg.v[3].y = y + h;
	windowBg.v[3].z = 0;
	windowBg.v[3].col = bgColor;
	windowBg.v[3].tx = 0;
	windowBg.v[3].ty = 0;
	
	windowBg.tex = 0;
	windowBg.blend = BLEND_ALPHABLEND | BLEND_COLORMUL | BLEND_ZWRITE;
	curSelection = -1;
}

void GUIAppWindow::SetBGColor ( DWORD clr ) {
	bgColor = clr;
	windowBg.v[0].col = bgColor;
	windowBg.v[1].col = bgColor;
	windowBg.v[2].col = bgColor;
	windowBg.v[3].col = bgColor;
}

void GUIAppWindow::SetFrameColor ( DWORD clr ) {
	frameColor = clr;
}

GUIAppWindow::GUIAppWindow( GUIApp *parent, int _id, float x, float y, float w, float h ) : GUIAppObject() {
	parentapp = parent;
	bStatic = false;
	bVisible = true;
	bEnabled = true;
	id=_id;
	isSelected = false;
	bgColor = ARGB(0xaf,0xA0,0xA0,0xA0);
	frameColor = ARGB(0xff,0xFF,0xFF,0xFF);
	SetupSize(x,y,w,h);
	wWidth = w;
	wHeight = h;
	ox = 0;
	oy = 0;

}

void GUIAppWindow::SelectNext() {
	int a, start = 0;
	if ( curSelection >= 0 ) {
		start = curSelection;
	}
	
	if (curSelection == objects.Count()-1) {
		start = 0;
	}

	for ( a = start; a < objects.Count(); a ++ ) {
		objects[a]->Selected(false);
	}

	for ( a = start; a < objects.Count(); a ++ ) {
		if ( !objects[a]->bStatic && objects[a]->bVisible && a != curSelection ) {
			int id = objects[a]->id;
			objects[a]->Selected(true);
			objects[a]->Focus(true);
			curSelection = a;
			break;
		}
	}
}

void GUIAppWindow::AddCtrl ( GUIAppObject *obj ) {
	// moving to window context
	obj->Move(-rect.x1, -rect.y1);
	objects.Add(obj);

	// adding objkect into parent GUI
	obj->SetParent(this);

	// make selection
	if ( curSelection < 0 && !obj->bStatic ) {
		curSelection = objects.Count() -1 ;
	}
}

void GUIAppWindow::Render() {
	hge->Gfx_RenderQuad(&windowBg);
	hge->Gfx_RenderLine(rect.x1, rect.y1, rect.x2, rect.y1, frameColor);
	hge->Gfx_RenderLine(rect.x2, rect.y1, rect.x2, rect.y2, frameColor);
	hge->Gfx_RenderLine(rect.x2, rect.y2, rect.x1, rect.y2, frameColor);
	hge->Gfx_RenderLine(rect.x1, rect.y2, rect.x1, rect.y1, frameColor);

	for ( int a = 0; a < objects.Count(); a ++ ) {
		if ( objects[a]->bVisible ) {
			objects[a]->Render();
		}
	}
}

void GUIAppWindow::Move ( float dx, float dy ) {
	SetupSize(rect.x1-dx, rect.y1-dy,wWidth,wHeight);
}

void GUIAppWindow::MoveObjects(float dx, float dy ) {
	for ( int a = 0; a < objects.Count(); a ++ ) {
		objects[a]->Move(dx,dy);
	}
}

void GUIAppWindow::Update(float dt) {
	for ( int a = 0; a < objects.Count(); a ++ ) {
		objects[a]->Update(dt);
	}
}

bool GUIAppWindow::MouseMove(float x, float y) {
	if ( bVisible ) {
		for ( int a = 0; a < objects.Count(); a ++ ) {
			objects[a]->MouseMove(x+rect.x1,y+rect.y1);
		}
		CheckObjectFocus();
		if ( isSelected ) {
			float dx = ox - x;
			float dy = oy - y;
			Move(dx,dy);
			MoveObjects (dx,dy);
			return false;
		} else {
			ox = x;
			oy = y;
			return false;
		}
	} else {
		return false;
	}
}

void GUIAppWindow::SelectObject ( int id ) {
	for ( int a = 0; a < objects.Count(); a ++ ) {
		if (objects[a]->id == id ) {
			objects[a]->Selected(true);
		} else {
			objects[a]->Selected(false);
		}
	}
}

void GUIAppWindow::OnTop() {
	float inc = 0.001f;
	windowBg.v[0].z += inc;
	windowBg.v[1].z += inc;
	windowBg.v[2].z += inc;
	windowBg.v[3].z += inc;
}

bool GUIAppWindow::MouseLButton(bool bDown) {
	if ( bVisible ) {
		OnTop ();
		isSelected = bDown;
		float x,y;
		hge->Input_GetMousePos(&x,&y);
		for ( int a = 0; a < objects.Count(); a ++ ) {
			if (objects[a]->TestPoint(x,y)) {
				if (bDown) {
					SelectObject(objects[a]->id);
					curSelection = a;
				}
				objects[a]->MouseLButton(bDown);
				if (!objects[a]->bStatic) {
					isSelected = false;
				}
			}
		}
		CheckObjectFocus();
	}
	return false;
}

bool GUIAppWindow::MouseRButton(bool bDown) {
	if ( bVisible ) {
		OnTop ();
		isSelected = bDown;
		float x,y;
		hge->Input_GetMousePos(&x,&y);
		for ( int a = 0; a < objects.Count(); a ++ ) {
			if (objects[a]->TestPoint(x,y)) {
				if (bDown) {
					SelectObject(objects[a]->id);
					curSelection = a;
				}
				objects[a]->MouseRButton(bDown);
				if (!objects[a]->bStatic) {
					isSelected = false;
				}
			}
		}
		CheckObjectFocus();
	}
	return false;
}

void GUIAppWindow::CheckObjectFocus () {
	float x,y;
	hge->Input_GetMousePos(&x,&y);
	for ( int a = 0; a < objects.Count(); a ++ ) {
		if (objects[a]->TestPoint(x,y)) {
			objects[a]->Focus(true);
		} else {
			objects[a]->Focus(false);
		}
	}
}

void GUIAppWindow::Focus(bool bFocused) {
	if ( bVisible ) {
		CheckObjectFocus();
	}
}

void GUIAppWindow::MouseOver(bool bOver) {
	if ( bVisible ) {
		float x,y;
		hge->Input_GetMousePos(&x,&y);
		for ( int a = 0; a < objects.Count(); a ++ ) {
			if (!objects[a]->TestPoint(x,y)) {
				objects[a]->MouseOver(bOver);
			}
		}
	}
}

bool GUIAppWindow::MouseWheel(int nNotches) {
	if ( bVisible ) {
		for ( int a = 0; a < objects.Count(); a ++ ) {
			objects[a]->MouseWheel(nNotches);
		}
	}
	return false;
}

bool GUIAppWindow::KeyClick(int key, int chr) {
	if ( bVisible ) {
		for ( int a = 0; a < objects.Count(); a ++ ) {
			objects[a]->KeyClick(key,chr);
		}
		if ( key == HGEK_TAB ) {
			SelectNext();
		}
	}
	return false;
}