guiappbutton.cpp

老外为HGE写的扩展GUI

#include "guiappbutton.h"
#include "guiappwindow.h"

GUIAppButton::GUIAppButton(int _id, float x, float y, const char *file) : GUIAppObject () {
	id=_id;
	bStatic=false;
	bVisible=true;
	bEnabled=true;
	bPressed=false;
	bTrigger=false;
	inFocus = false;
	isSelected = false;
	bPushed = false;
	HTEXTURE texture = hge->Texture_Load(file);
	if ( texture ) {
		float w = (float)hge->Texture_GetWidth(texture,true) / 3;
		float h = (float)hge->Texture_GetHeight(texture,true);
		rect.Set(x, y, x+w, y+h);
		sprDef = new hgeSprite(texture, 0, 0, w, h);
		sprUp = new hgeSprite(texture, w, 0, w, h);
		sprDown = new hgeSprite(texture, w+w, 0, w, h);
	}
}

GUIAppButton::GUIAppButton(int _id, float x, float y, float w, float h, HTEXTURE tex, float tx, float ty) {
	id=_id;
	bStatic=false;
	bVisible=true;
	bEnabled=true;
	inFocus = false;
	isSelected = false;
	rect.Set(x, y, x+w, y+h);
	
	bPressed=false;
	bTrigger=false;
	sprDef = new hgeSprite(tex, tx, ty, w, h); 
	sprUp = new hgeSprite(tex, tx+w, ty, w, h);
	sprDown = new hgeSprite(tex, tx+w+w, ty, w, h);
}

GUIAppButton::~GUIAppButton() {
	if(sprUp) delete sprUp;
	if(sprDown) delete sprDown;
}

void GUIAppButton::SetPos(float x, float y ) {
	float w = sprDef->GetWidth();
	float h = sprDef->GetHeight();
	rect.Set(x, y, x+w, y+h);
}

float GUIAppButton::GetWidth() {
	return sprDef->GetWidth();
}

float GUIAppButton::GetHeight() {
	return sprDef->GetHeight();
}

void GUIAppButton::Focus(bool focus) {
	inFocus = focus;
	if ( !inFocus) {
		bPressed = false;
		bPushed = false;
	}
}

bool GUIAppButton::KeyClick(int key, int chr ) {
	if (( key == HGEK_ENTER || key == HGEK_SPACE )&& isSelected ) {
		parentwin->OnEvent(id);
	}
	return false;
}

void GUIAppButton::Selected(bool selected) {
	isSelected = selected;
	if ( !isSelected) {
		bPressed = false;
		bPushed = false;
	}
}

void GUIAppButton::Render() {
	if ( !inFocus && !isSelected ) {
		sprDef->Render(rect.x1, rect.y1);
	} else {
		if ( bPressed ) {
			sprDown->Render(rect.x1, rect.y1);
		} else {
			sprUp->Render(rect.x1, rect.y1);
		}
	}
}

bool GUIAppButton::MouseLButton(bool bDown) {
	bPushed = bDown;
	if(bDown) {
		bOldState=bPressed; 
		bPressed=true;
		return false;
	} else {
		if(bPressed) {
			parentwin->OnEvent(id);
		}
		bPressed=false;
		return true; 
	}
}


void GUIAppButton::Move(float dx,float dy) {
	rect.Set(rect.x1-dx,rect.y1-dy,rect.x2-dx,rect.y2-dy);
}