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Implemented the new MsgBox() transience behavior on GTK+.

This commit is contained in:
Pietro Gagliardi 2014-06-05 00:24:05 -04:00
parent 7acc70c39e
commit 8e0a38dc47
1 changed files with 39 additions and 8 deletions
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47
dialog_unix.go
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@ -10,21 +10,43 @@ import (
// #include "gtk_unix.h" // #include "gtk_unix.h"
// /* because cgo seems to choke on ... */ // /* because cgo seems to choke on ... */
// GtkWidget *gtkNewMsgBox(GtkMessageType type, GtkButtonsType buttons, char *title, char *text) // /* parent will be NULL if there is no parent, so this is fine */
// GtkWidget *gtkNewMsgBox(GtkWindow *parent, GtkMessageType type, GtkButtonsType buttons, char *title, char *text)
// { // {
// GtkWidget *k; // GtkWidget *k;
// //
// k = gtk_message_dialog_new(NULL, GTK_DIALOG_MODAL, type, buttons, "%s", (gchar *) title); // k = gtk_message_dialog_new(parent, GTK_DIALOG_MODAL, type, buttons, "%s", (gchar *) title);
// if (text != NULL) // if (text != NULL)
// gtk_message_dialog_format_secondary_text((GtkMessageDialog *) k, "%s", (gchar *) text); // gtk_message_dialog_format_secondary_text((GtkMessageDialog *) k, "%s", (gchar *) text);
// return k; // return k;
// } // }
import "C" import "C"
func _msgBox(primarytext string, secondarytext string, msgtype C.GtkMessageType, buttons C.GtkButtonsType) (result C.gint) { func _msgBox(parent *Window, primarytext string, secondarytext string, msgtype C.GtkMessageType, buttons C.GtkButtonsType) (result C.gint) {
ret := make(chan C.gint) ret := make(chan C.gint)
defer close(ret) defer close(ret)
uitask <- func() { uitask <- func() {
var pwin *C.GtkWindow = nil
// to implement parent, we need to put the GtkMessageDialog into a new window group along with parent
// a GtkWindow can only be part of one group
// so we use this to save the parent window group (if there is one) and store the new window group
// after showing the message box, we restore the previous window group, so future parent == nil can work properly
// thanks to pbor and mclasen in irc.gimp.net/#gtk+
var prevgroup *C.GtkWindowGroup = nil
var newgroup *C.GtkWindowGroup
if parent != nil {
pwin = togtkwindow(parent.sysData.widget)
// we can't remove a window from the "default window group"; otherwise this throws up Gtk-CRITICAL warnings
if C.gtk_window_has_group(pwin) != C.FALSE {
prevgroup = C.gtk_window_get_group(pwin)
C.gtk_window_group_remove_window(prevgroup, pwin)
}
newgroup = C.gtk_window_group_new()
C.gtk_window_group_add_window(newgroup, pwin)
}
cprimarytext := C.CString(primarytext) cprimarytext := C.CString(primarytext)
defer C.free(unsafe.Pointer(cprimarytext)) defer C.free(unsafe.Pointer(cprimarytext))
csecondarytext := (*C.char)(nil) csecondarytext := (*C.char)(nil)
@ -32,18 +54,27 @@ func _msgBox(primarytext string, secondarytext string, msgtype C.GtkMessageType,
csecondarytext = C.CString(secondarytext) csecondarytext = C.CString(secondarytext)
defer C.free(unsafe.Pointer(csecondarytext)) defer C.free(unsafe.Pointer(csecondarytext))
} }
box := C.gtkNewMsgBox(msgtype, buttons, cprimarytext, csecondarytext) box := C.gtkNewMsgBox(pwin, msgtype, buttons, cprimarytext, csecondarytext)
response := C.gtk_dialog_run((*C.GtkDialog)(unsafe.Pointer(box))) response := C.gtk_dialog_run((*C.GtkDialog)(unsafe.Pointer(box)))
C.gtk_widget_destroy(box) C.gtk_widget_destroy(box)
if parent != nil {
C.gtk_window_group_remove_window(newgroup, pwin)
C.g_object_unref(C.gpointer(unsafe.Pointer(newgroup))) // free the group
if prevgroup != nil {
C.gtk_window_group_add_window(prevgroup, pwin)
} // otherwise it'll go back into the default group on its own
}
ret <- response ret <- response
} }
return <-ret return <-ret
} }
func msgBox(primarytext string, secondarytext string) { func msgBox(parent *Window, primarytext string, secondarytext string) {
_msgBox(primarytext, secondarytext, C.GtkMessageType(C.GTK_MESSAGE_OTHER), C.GtkButtonsType(C.GTK_BUTTONS_OK)) _msgBox(parent, primarytext, secondarytext, C.GtkMessageType(C.GTK_MESSAGE_OTHER), C.GtkButtonsType(C.GTK_BUTTONS_OK))
} }
func msgBoxError(primarytext string, secondarytext string) { func msgBoxError(parent *Window, primarytext string, secondarytext string) {
_msgBox(primarytext, secondarytext, C.GtkMessageType(C.GTK_MESSAGE_ERROR), C.GtkButtonsType(C.GTK_BUTTONS_OK)) _msgBox(parent, primarytext, secondarytext, C.GtkMessageType(C.GTK_MESSAGE_ERROR), C.GtkButtonsType(C.GTK_BUTTONS_OK))
} }