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Finally we draw something with our own code. It works only with vertical sliders, and it's still buggy, though.

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@11426 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Stefano Ceccherini 2005-02-21 10:07:30 +00:00
parent af095d7ba1
commit e605d52661
1 changed files with 58 additions and 5 deletions
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63
src/kits/interface/ChannelSlider.cpp
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@ -9,6 +9,7 @@
#include <ChannelSlider.h>
#include <Debug.h>
#include <PropertyInfo.h>
#include <Screen.h>
#include <Window.h>
const static unsigned char
@ -96,6 +97,11 @@ BChannelSlider::BChannelSlider(BMessage *archive)
BChannelSlider::~BChannelSlider()
{
delete fLeftKnob;
delete fMidKnob;
delete fRightKnob;
delete fBacking;
delete fBackingView;
delete fInitialValues;
}
@ -204,6 +210,7 @@ BChannelSlider::Draw(BRect updateRect)
MovePenTo((bounds.Width() - labelWidth) / 2, 10);
DrawString(Label());
Sync();
// TODO: Respect label limits !!!
}
@ -389,11 +396,17 @@ BChannelSlider::GetSupportedSuites(BMessage *data)
void
BChannelSlider::DrawChannel(BView *into, int32 channel, BRect area, bool pressed)
{
// TODO: Implement
BPoint where;
where.x = area.Width() / 2;
where.y = area.top + ThumbDeltaFor(channel);
BPoint leftTop(where.x, area.top);
BPoint bottomRight(where.x, area.top + ThumbRangeFor(channel));
DrawGroove(into, channel, leftTop, bottomRight);
DrawThumb(into, channel, where, pressed);
}
void
BChannelSlider::DrawGroove(BView *into, int32 channel, BPoint topLeft, BPoint bottomRight)
{
@ -531,9 +544,6 @@ BChannelSlider::InitData()
fFocusChannel = -1;
SetViewColor(ui_color(B_PANEL_BACKGROUND_COLOR));
// TODO: Set initial values ?
// actually, looks like initial values are set on MouseDown()/MouseMoved()
}
@ -573,7 +583,50 @@ BChannelSlider::UpdateFontDimens()
void
BChannelSlider::DrawThumbs()
{
BRect first = ThumbFrameFor(0);
BRect last = ThumbFrameFor(CountChannels());
if (fBacking == NULL) {
BRect bitmapFrame;
if (Vertical()) {
bitmapFrame.top = first.top - ThumbRangeFor(0);
bitmapFrame.bottom = last.bottom;
bitmapFrame.left = first.left;
bitmapFrame.right = last.right;
} else {
bitmapFrame.top = first.top;
bitmapFrame.bottom = last.bottom;
bitmapFrame.left = first.left;
bitmapFrame.right = last.right + ThumbRangeFor(0);
}
bitmapFrame.OffsetTo(B_ORIGIN);
fBacking = new BBitmap(bitmapFrame, BScreen(Window()).ColorSpace(), true, false);
if (fBacking->Lock()) {
fBackingView = new BView(bitmapFrame, "backing view", B_FOLLOW_NONE, B_WILL_DRAW);
fBacking->AddChild(fBackingView);
fBackingView->SetViewColor(ui_color(B_PANEL_BACKGROUND_COLOR));
fBackingView->SetLowColor(fBackingView->ViewColor());
fBacking->Unlock();
}
}
if (fBacking->Lock()) {
for (int32 i = 0; i < CountChannels(); i++) {
fBackingView->FillRect(fBackingView->Bounds(), B_SOLID_LOW);
DrawChannel(fBackingView, i, ThumbFrameFor(i), fMinpoint != 0);
}
fBackingView->Sync();
fBacking->Unlock();
}
BPoint drawHere;
drawHere.x = (Bounds().Width() - fBacking->Bounds().Width()) / 2;
drawHere.y = (Bounds().Height() - fBacking->Bounds().Height()) / 2;
fClickDelta = drawHere;
DrawBitmapAsync(fBacking, drawHere);
}