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hopefully fixed ChannelSlider (size, drawing) 

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@16343 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Jérôme Duval 2006-02-10 22:12:06 +00:00
parent 38690d41b0
commit 2879eb37ec
1 changed files with 28 additions and 8 deletions
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34
src/kits/interface/ChannelSlider.cpp
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@ -11,6 +11,8 @@
#include <Screen.h>
#include <Window.h>
#define max(a,b) ((a)>(b)?(a):(b))
const static unsigned char
kVerticalKnobData[] = {
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
@ -43,7 +45,8 @@ kHorizontalKnobData[] = {
0xff, 0x00, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x00, 0x12, 0xff,
0xff, 0x00, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x3f, 0x00, 0x12, 0xff,
0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x12, 0xff,
0xff, 0xff, 0xff, 0xff, 0x12, 0x12, 0x12, 0x12, 0x12, 0x12, 0x12, 0x12, 0x12, 0x12, 0xff, 0xff
0xff, 0xff, 0xff, 0xff, 0x12, 0x12, 0x12, 0x12, 0x12, 0x12, 0x12, 0x12, 0x12, 0x12, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
};
@ -400,7 +403,20 @@ BChannelSlider::SetEnabled(bool on)
void
BChannelSlider::GetPreferredSize(float *width, float *height)
{
BChannelControl::GetPreferredSize(width, height);
if (width) {
float _width = (float)ceil(StringWidth(Label()));
if (Vertical()) {
*width = max(_width, 2 + 12 * CountChannels());
} else {
*width = max(_width, 64);
}
}
if (height) {
if (Vertical())
*height = 195;
else
*height = 71;
}
}
@ -518,7 +534,7 @@ BChannelSlider::ThumbFor(int32 channel, bool pressed)
fLeftKnob = new BBitmap(BRect(0, 0, 11, 14), B_CMAP8);
fLeftKnob->SetBits(kVerticalKnobData, sizeof(kVerticalKnobData), 0, B_CMAP8);
} else {
fLeftKnob = new BBitmap(BRect(0, 0, 14, 10), B_CMAP8);
fLeftKnob = new BBitmap(BRect(0, 0, 14, 11), B_CMAP8);
fLeftKnob->SetBits(kHorizontalKnobData, sizeof(kHorizontalKnobData), 0, B_CMAP8);
}
}
@ -641,8 +657,7 @@ BChannelSlider::DrawThumbs()
{
if (fBacking == NULL) {
// This is the idea: we build a bitmap by taking the coordinates
// of the first and last thumb frames (top/left and bottom/right),
// and by enlarging this rectangle a bit (hence the "InsetBy(-3, -3)").
// of the first and last thumb frames (top/left and bottom/right)
BRect first = ThumbFrameFor(0);
BRect last = ThumbFrameFor(CountChannels() - 1);
BRect bitmapFrame(first.LeftTop(), last.RightBottom());
@ -652,8 +667,13 @@ BChannelSlider::DrawThumbs()
else
bitmapFrame.right += ThumbRangeFor(0);
bitmapFrame.InsetBy(-3, -3);
fBacking = new BBitmap(bitmapFrame, BScreen(Window()).ColorSpace(), true, false);
fBacking = new BBitmap(bitmapFrame,
#ifdef __HAIKU__
BScreen(Window()).ColorSpace(),
#else
B_RGB32,
#endif
true, false);
if (fBacking->Lock()) {
fBackingView = new BView(bitmapFrame.OffsetToCopy(B_ORIGIN), "backing view", B_FOLLOW_NONE, B_WILL_DRAW);
fBacking->AddChild(fBackingView);