88 lines
2.2 KiB
Go
88 lines
2.2 KiB
Go
// +build !windows,!darwin
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// 15 august 2014
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package ui
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import (
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"unsafe"
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)
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// #include "gtk_unix.h"
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import "C"
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type group struct {
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_widget *C.GtkWidget
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gcontainer *C.GtkContainer
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frame *C.GtkFrame
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*container
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}
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func newGroup(text string, control Control) Group {
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ctext := togstr(text)
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defer freegstr(ctext)
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widget := C.gtk_frame_new(ctext)
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g := &group{
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_widget: widget,
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gcontainer: (*C.GtkContainer)(unsafe.Pointer(widget)),
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frame: (*C.GtkFrame)(unsafe.Pointer(widget)),
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}
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// with GTK+, groupboxes by default have frames and slightly x-offset regular text
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// they should have no frame and fully left-justified, bold text
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var yalign C.gfloat
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// preserve default y-alignment
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C.gtk_frame_get_label_align(g.frame, nil, &yalign)
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C.gtk_frame_set_label_align(g.frame, 0, yalign)
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C.gtk_frame_set_shadow_type(g.frame, C.GTK_SHADOW_NONE)
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label := (*C.GtkLabel)(unsafe.Pointer(C.gtk_frame_get_label_widget(g.frame)))
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// this is the boldness level used by GtkPrintUnixDialog
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// (it technically uses "bold" but see pango's pango-enum-types.c for the name conversion; GType is weird)
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bold := C.pango_attr_weight_new(C.PANGO_WEIGHT_BOLD)
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boldlist := C.pango_attr_list_new()
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C.pango_attr_list_insert(boldlist, bold)
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C.gtk_label_set_attributes(label, boldlist)
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C.pango_attr_list_unref(boldlist) // thanks baedert in irc.gimp.net/#gtk+
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g.container = newContainer(control)
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g.container.setParent(&controlParent{g.gcontainer})
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return g
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}
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func (g *group) Text() string {
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return fromgstr(C.gtk_frame_get_label(g.frame))
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}
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func (g *group) SetText(text string) {
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ctext := togstr(text)
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defer freegstr(ctext)
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C.gtk_frame_set_label(g.frame, ctext)
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}
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func (g *group) widget() *C.GtkWidget {
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return g._widget
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}
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func (g *group) setParent(p *controlParent) {
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basesetParent(g, p)
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}
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func (g *group) allocate(x int, y int, width int, height int, d *sizing) []*allocation {
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return baseallocate(g, x, y, width, height, d)
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}
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func (g *group) preferredSize(d *sizing) (width, height int) {
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return basepreferredSize(g, d)
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}
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func (g *group) commitResize(a *allocation, d *sizing) {
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basecommitResize(g, a, d)
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}
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func (g *group) getAuxResizeInfo(d *sizing) {
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basegetAuxResizeInfo(g, d)
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}
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