winamp/Src/Wasabi/api/skin/widgets/spanbar.cpp

#include <precomp.h>
#include "spanbar.h"
#include <api/core/api_core.h>

const wchar_t panBarXuiStr[] = L"PanBar"; // This is the xml tag
char panBarXuiSvcName[] = "PanBar xui object"; // this is the name of the xuiservice


#define SPANBAR_NOTIFY_MSG NUM_NOTIFY_MESSAGES+0x1000

SPanBar::SPanBar() {
	setDrawOnBorders(TRUE);
	setEnable(TRUE);
	setHotPosition(127);
	locked = 0;
}

SPanBar::~SPanBar() {
	WASABI_API_MEDIACORE->core_delCallback(0, this);
}

int SPanBar::onInit() {
	SPANBAR_PARENT::onInit();

	corecb_onPanChange(WASABI_API_MEDIACORE->core_getPan(0));
	WASABI_API_MEDIACORE->core_addCallback(0, this);

	return 1;
}

int SPanBar::onSetPosition() {
	setHotPosition((Std::keyDown(VK_SHIFT) ? -1 : 127));
	SPANBAR_PARENT::onSetPosition();
	int pos = getSliderPosition();	// get slider pos
	int p=pos-127;
	WASABI_API_MEDIACORE->core_setPan(0,p);
	return 1;
}

int SPanBar::corecb_onPanChange(int newpan) {
	if (getSeekStatus()) return 0;
	int pos = newpan+127;
	setPosition(pos,0);
	onPostedPosition(pos);
	return 0;
}

void SPanBar::lock() {
	if (locked) return;
	locked = 1;
	WASABI_API_MEDIACORE->core_delCallback(0, this);
}

void SPanBar::unlock() {
	if (!locked) return;
	locked = 0;
	WASABI_API_MEDIACORE->core_addCallback(0, this);
}