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Fixed up the implementation of Area on GTK+ and the Area test. Seems to be fine, though for some reason holding down a mouse button doesn't generate a drag in GTK+ 3.10...

This commit is contained in:
Pietro Gagliardi 2014-08-04 23:48:04 -04:00
parent 3e25992f09
commit b46167f1e2
2 changed files with 28 additions and 4 deletions
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22
redo/area_unix.go
View File

@ -53,7 +53,13 @@ func newArea(ab *areabase) Area {
scroller: newScroller(widget, false), // not natively scrollable,
clickCounter: new(clickCounter),
}
// TODO connect signals
for _, c := range areaCallbacks {
g_signal_connect(
C.gpointer(unsafe.Pointer(a.drawingarea)),
c.name,
c.callback,
C.gpointer(unsafe.Pointer(a)))
}
a.SetSize(a.width, a.height)
return a
}
@ -68,6 +74,20 @@ func (a *area) RepaintAll() {
C.gtk_widget_queue_draw(a._widget)
}
var areaCallbacks = []struct {
name string
callback C.GCallback
}{
{ "draw", area_draw_callback },
{ "button-press-event", area_button_press_event_callback },
{ "button-release-event", area_button_release_event_callback },
{ "motion-notify-event", area_motion_notify_event_callback },
{ "enter-notify-event", area_enterleave_notify_event_callback },
{ "leave-notify-event", area_enterleave_notify_event_callback },
{ "key-press-event", area_key_press_event_callback },
{ "key-release-event", area_key_release_event_callback },
}
//export our_area_draw_callback
func our_area_draw_callback(widget *C.GtkWidget, cr *C.cairo_t, data C.gpointer) C.gboolean {
var x0, y0, x1, y1 C.double

10
redo/zz_test.go
View File

@ -10,6 +10,8 @@ import (
"reflect"
"testing"
"image"
"image/color"
"image/draw"
)
var closeOnClick = flag.Bool("close", false, "close on click")
@ -43,10 +45,12 @@ type testwin struct {
type areaHandler struct{}
func (a *areaHandler) Paint(r image.Rectangle) *image.RGBA {
return image.NewRGBA(r)
i := image.NewRGBA(r)
draw.Draw(i, r, &image.Uniform{color.RGBA{128,0,128,255}}, image.ZP, draw.Src)
return i
}
func (a *areaHandler) Mouse(me MouseEvent) bool { return false }
func (a *areaHandler) Key(ke KeyEvent) bool { return false }
func (a *areaHandler) Mouse(me MouseEvent) bool { fmt.Printf("%#v\n", me); return false }
func (a *areaHandler) Key(ke KeyEvent) bool { fmt.Printf("%#v\n", ke); return false }
func (tw *testwin) make(done chan struct{}) {
tw.t = NewTab()