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beos: Add a resize knob to replicants

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The view resizes the base view by the relative mouse movement.

TODO: Add a bitmap to draw, for now it's ugly green.
This commit is contained in:
François Revol 2013-12-31 17:37:21 +01:00
parent f8517f2e51
commit fc782f55ba
1 changed files with 90 additions and 0 deletions
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90
beos/scaffolding.cpp
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@ -154,6 +154,86 @@ extern int main(int argc, char** argv);
// in fetch_rsrc.cpp
extern BResources *gAppResources;
// #pragma mark - class NSResizeKnob
class NSResizeKnob : public BView {
public:
NSResizeKnob(BRect frame, BView *target);
virtual ~NSResizeKnob();
virtual void MouseDown(BPoint where);
virtual void MouseUp(BPoint where);
virtual void MouseMoved(BPoint where, uint32 code,
const BMessage* dragMessage);
virtual void Draw(BRect updateRect);
void SetBitmap(const BBitmap *bitmap);
private:
const BBitmap *fBitmap;
BView *fTarget;
BPoint fOffset;
};
NSResizeKnob::NSResizeKnob(BRect frame, BView *target)
: BView(frame, "NSResizeKnob", B_FOLLOW_BOTTOM | B_FOLLOW_RIGHT, B_WILL_DRAW),
fBitmap(NULL),
fTarget(target),
fOffset(-1, -1)
{
SetViewColor(0, 255, 0);
}
NSResizeKnob::~NSResizeKnob()
{
}
void
NSResizeKnob::MouseDown(BPoint where)
{
SetMouseEventMask(B_POINTER_EVENTS,
B_NO_POINTER_HISTORY | B_LOCK_WINDOW_FOCUS);
fOffset = where;
}
void
NSResizeKnob::MouseUp(BPoint where)
{
fOffset.Set(-1, -1);
}
void
NSResizeKnob::MouseMoved(BPoint where, uint32 code,
const BMessage* dragMessage)
{
if (fOffset.x >= 0) {
fTarget->ResizeBy(where.x - fOffset.x, where.y - fOffset.y);
}
}
void
NSResizeKnob::Draw(BRect updateRect)
{
if (!fBitmap)
return;
DrawBitmap(fBitmap);
}
void
NSResizeKnob::SetBitmap(const BBitmap *bitmap)
{
fBitmap = bitmap;
Invalidate();
}
// #pragma mark - class NSThrobber
class NSThrobber : public BView {
@ -1128,6 +1208,16 @@ void nsbeos_attach_toplevel_view(nsbeos_scaffolding *g, BView *view)
g->top_view->AddChild(g->scroll_view);
// for replicants, add a NSResizeKnob to allow resizing
if (!g->window) {
BRect frame = g->scroll_view->Bounds();
frame.left = frame.right - B_V_SCROLL_BAR_WIDTH;
frame.top = frame.bottom - B_H_SCROLL_BAR_HEIGHT;
NSResizeKnob *knob = new NSResizeKnob(frame, g->top_view);
//TODO: set bitmap
g->scroll_view->AddChild(knob);
}
view->MakeFocus();
// resize the horiz scrollbar to make room for the status bar and add it.