99 lines
2.6 KiB
Go
99 lines
2.6 KiB
Go
// +build !windows,!darwin,!plan9
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// TODO is there a way to simplify the above? :/
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// 16 february 2014
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package main
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import (
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"unsafe"
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)
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// #cgo pkg-config: gtk+-3.0
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// #include <stdlib.h>
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// #include <gtk/gtk.h>
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// /* because cgo is flaky with macros */
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// void gSignalConnect(GtkWidget *widget, char *signal, GCallback callback, void *data) { g_signal_connect(widget, signal, callback, data); }
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import "C"
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type (
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gtkWidget C.GtkWidget
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)
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func fromgbool(b C.gboolean) bool {
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return b != C.FALSE
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}
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func togbool(b bool) C.gboolean {
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if b {
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return C.TRUE
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}
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return C.FALSE
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}
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func gtk_init() bool {
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// TODO allow GTK+ standard command-line argument processing
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return fromgbool(C.gtk_init_check((*C.int)(nil), (***C.char)(nil)))
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}
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func gdk_threads_add_idle(what func() bool) {
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C.gdk_threads_add_idle(callbacks["idle"], C.gpointer(unsafe.Pointer(&what)))
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}
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func gtk_main() {
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C.gtk_main()
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}
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func gtk_window_new() *gtkWidget {
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// 0 == GTK_WINDOW_TOPLEVEL (the only other type, _POPUP, should not be used)
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return (*gtkWidget)(unsafe.Pointer(C.gtk_window_new(0)))
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}
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// shorthand
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func gtkwidget(what *gtkWidget) *C.GtkWidget {
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return (*C.GtkWidget)(unsafe.Pointer(what))
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}
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func g_signal_connect(obj *gtkWidget, sig string, callback func() bool) {
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ccallback := callbacks[sig]
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csig := C.CString(sig)
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defer C.free(unsafe.Pointer(csig))
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C.gSignalConnect(gtkwidget(obj), csig, ccallback, unsafe.Pointer(&callback))
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}
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// TODO ensure this works if called on an individual control
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func gtk_widget_show(widget *gtkWidget) {
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C.gtk_widget_show_all(gtkwidget(widget))
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}
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func gtk_widget_hide(widget *gtkWidget) {
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C.gtk_widget_hide(gtkwidget(widget))
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}
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func gtk_window_set_title(window *gtkWidget, title string) {
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ctitle := C.CString(title)
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defer C.free(unsafe.Pointer(ctitle))
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C.gtk_window_set_title((*C.GtkWindow)(unsafe.Pointer(window)),
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(*C.gchar)(unsafe.Pointer(ctitle)))
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}
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func gtk_window_resize(window *gtkWidget, width int, height int) {
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C.gtk_window_resize((*C.GtkWindow)(unsafe.Pointer(window)), C.gint(width), C.gint(height))
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}
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func gtk_fixed_new() *gtkWidget {
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return (*gtkWidget)(unsafe.Pointer(C.gtk_fixed_new()))
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}
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func gtk_container_add(container *gtkWidget, widget *gtkWidget) {
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C.gtk_container_add((*C.GtkContainer)(unsafe.Pointer(container)), gtkwidget(widget))
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}
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func gtk_fixed_put(container *gtkWidget, widget *gtkWidget, x int, y int) {
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C.gtk_fixed_put((*C.GtkFixed)(unsafe.Pointer(container)), gtkwidget(widget),
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C.gint(x), C.gint(y))
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}
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func gtk_widget_set_size_request(widget *gtkWidget, width int, height int) {
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C.gtk_widget_set_size_request(gtkwidget(widget), C.gint(width), C.gint(height))
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}
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