winamp/Src/Wasabi/api/wnd/wndclass/labelwnd.cpp

#include <precomp.h>

#include "labelwnd.h"

#include <api/locales/xlatstr.h>
#include <api/wnd/paintsets.h>

#include <tataki/canvas/bltcanvas.h>
#include <tataki/color/skinclr.h>
#include <api/wnd/notifmsg.h>
#include <tataki/region/region.h>
#include <api/wnd/PaintCanvas.h>

static SkinColor labelfg(L"wasabi.labelwnd.foreground");
static SkinColor labelbg(L"wasabi.labelwnd.background", L"Text backgrounds");

#define DEF_LABEL_HEIGHT 0
#define DEF_LABEL_FONTSIZE 16

LabelWnd::LabelWnd() {
  show_label = FALSE;
  labelsize = DEF_LABEL_FONTSIZE;
  labelHeight = 0;
  margin=0;
  setVirtual(0);
}

void LabelWnd::getClientRect(RECT *r) {
  LABELWND_PARENT::getClientRect(r);
  r->top += getLabelHeight();
}

int LabelWnd::onResize() {
  LABELWND_PARENT::onResize();
  invalidateLabel();
/*  if (getLabelHeight() <= 0) return 0;
  RECT r,ir;
  LABELWND_PARENT::getClientRect(&r);
  LABELWND_PARENT::getNonClientRect(&ir);
  ir.bottom = ir.top + getLabelHeight()+margin;
  invalidateRect(&ir);*/
  return 1;
}

int LabelWnd::onPaint(Canvas *canvas) {
  if (getLabelHeight() <= 0) return LABELWND_PARENT::onPaint(canvas);

  PaintBltCanvas paintcanvas;
  if (canvas == NULL) {
    if (!paintcanvas.beginPaintNC(this)) return 0;
    canvas = &paintcanvas;
  }

  RECT r;
  LabelWnd::getNonClientRect(&r);

  if (canvas->isFixedCoords()) { // handle possible double buffer
    // convert to canvas coords
    r.right -= r.left; r.left = 0;
    r.bottom -= r.top; r.top = 0;
  }

  r.bottom = r.top + getLabelHeight();

  if (margin) {
    r.left+=margin;
    r.right-=margin;
    r.bottom+=margin*2;
  }

  LABELWND_PARENT::onPaint(canvas);
  int got_focus = gotFocus() || forceFocus();

  if (wantRenderBaseTexture()) {
    WASABI_API_WND->skin_renderBaseTexture(getBaseTextureWindow(), canvas, r, this);
  }

#ifdef WASABI_COMPILE_PAINTSETS
  WASABI_API_WND->paintset_render(Paintset::LABEL, canvas, &r, got_focus ? 255 : 64);
#endif
	Wasabi::FontInfo fontInfo;
	fontInfo.opaque=false;
  fontInfo.pointSize = getLabelHeight()-1;
  const wchar_t *name = getName();
  if (name == NULL || *name == '\0')
		name = L"Label";
#define LEFTMARGIN 3
	fontInfo.color = labelbg;
	const wchar_t *xname = name;

	switch(wantTranslation())
	{
	case 1:
		xname = _(name);
		break;
	case 2:
		xname = __(name);
		break;
	}

	canvas->textOut(r.left+LEFTMARGIN+1, r.top+1, xname, &fontInfo);
	fontInfo.color = labelfg;
	canvas->textOut(r.left+LEFTMARGIN, r.top, xname, &fontInfo);
	
  return 1;
}

void LabelWnd::onSetName() {
  LABELWND_PARENT::onSetName();
  // make sure label gets repainted
  if (isInited()) {
    RECT r;
    LabelWnd::getNonClientRect(&r);
    r.bottom = r.top + getLabelHeight();
    invalidateRect(&r);
  }
}

//CUTint LabelWnd::childNotify(api_window *child, int msg, intptr_t param1, intptr_t param2) {
//CUT  switch (msg) {
//CUT    case CHILD_WINDOWSHADE_CAPABLE: return show_label;
//CUT    case CHILD_WINDOWSHADE_ENABLE: return TRUE;
//CUT  }
//CUT  return LABELWND_PARENT::childNotify(child, msg, param1, param2);
//CUT}

int LabelWnd::showLabel(int show) {
  show_label = show;
  setFontSize(-1);
  if (isPostOnInit()) {
    onResize();
  }
  return 1;
}

int LabelWnd::getLabelHeight() {
  return show_label ? labelHeight : 0;
}

void LabelWnd::setMargin(int newmargin) {
  margin = newmargin;
  RECT r;
  getNonClientRect(&r);
  r.bottom = getLabelHeight()+margin;
  invalidateRect(&r);
}

int LabelWnd::onGetFocus() {
  LABELWND_PARENT::onGetFocus();
  invalidateLabel();
  return 1;
}

int LabelWnd::onKillFocus() {
  LABELWND_PARENT::onKillFocus();
  invalidateLabel();
  return 1;
}

void LabelWnd::invalidateLabel() {
  if (labelHeight <= 0) return;
  RECT ncr;
  RECT cr;
//  RECT lr;
  LabelWnd::getNonClientRect(&ncr);
  LabelWnd::getClientRect(&cr);
  RegionI nonClientRgn(&ncr);
  RegionI clientRgn(&cr);
  nonClientRgn.subtractRgn(&clientRgn);
  invalidateRgn(&nonClientRgn);
//  SubtractRect(&lr, &ncr, &cr); // PORT ME
//  invalidateRect(&lr);
}

int LabelWnd::wantFocus() {
  return (labelHeight > 0);
}

void LabelWnd::reloadResources() 
{
  LABELWND_PARENT::reloadResources();
  if (isPostOnInit())
    onResize();
  invalidateLabel();
}

int LabelWnd::setFontSize(int size) 
{
  LABELWND_PARENT::setFontSize(size);
  TextInfoCanvas blt(this); 
	Wasabi::FontInfo fontInfo;
#ifndef WASABINOMAINAPI
	fontInfo.pointSize = labelsize+api->metrics_getDelta();
#else
	fontInfo.pointSize = labelsize;
  //MULTIAPI-FIXME: not handling delta
#endif
  labelHeight = blt.getTextHeight(&fontInfo) + 1;
  invalidate();
  if (isPostOnInit()) onResize();
  return 1;
}