81 lines
2.8 KiB
Go
81 lines
2.8 KiB
Go
// +build !windows,!darwin,!plan9
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// 7 february 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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// /* because cgo seems to choke on ... */
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// /* parent will be NULL if there is no parent, so this is fine */
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// GtkWidget *gtkNewMsgBox(GtkWindow *parent, GtkMessageType type, GtkButtonsType buttons, char *title, char *text)
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// {
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// GtkWidget *k;
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//
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// k = gtk_message_dialog_new(parent, GTK_DIALOG_MODAL, type, buttons, "%s", (gchar *) title);
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// if (text != NULL)
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// gtk_message_dialog_format_secondary_text((GtkMessageDialog *) k, "%s", (gchar *) text);
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// return k;
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// }
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import "C"
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func _msgBox(parent *Window, primarytext string, secondarytext string, msgtype C.GtkMessageType, buttons C.GtkButtonsType) (result C.gint) {
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ret := make(chan C.gint)
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defer close(ret)
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uitask <- func() {
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var pwin *C.GtkWindow = nil
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// to implement parent, we need to put the GtkMessageDialog into a new window group along with parent
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// a GtkWindow can only be part of one group
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// so we use this to save the parent window group (if there is one) and store the new window group
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// after showing the message box, we restore the previous window group, so future parent == nil can work properly
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// thanks to pbor and mclasen in irc.gimp.net/#gtk+
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var prevgroup *C.GtkWindowGroup = nil
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var newgroup *C.GtkWindowGroup
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if parent != nil {
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pwin = togtkwindow(parent.sysData.widget)
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// we can't remove a window from the "default window group"; otherwise this throws up Gtk-CRITICAL warnings
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if C.gtk_window_has_group(pwin) != C.FALSE {
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prevgroup = C.gtk_window_get_group(pwin)
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C.gtk_window_group_remove_window(prevgroup, pwin)
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}
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newgroup = C.gtk_window_group_new()
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C.gtk_window_group_add_window(newgroup, pwin)
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}
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cprimarytext := C.CString(primarytext)
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defer C.free(unsafe.Pointer(cprimarytext))
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csecondarytext := (*C.char)(nil)
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if secondarytext != "" {
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csecondarytext = C.CString(secondarytext)
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defer C.free(unsafe.Pointer(csecondarytext))
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}
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box := C.gtkNewMsgBox(pwin, msgtype, buttons, cprimarytext, csecondarytext)
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response := C.gtk_dialog_run((*C.GtkDialog)(unsafe.Pointer(box)))
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C.gtk_widget_destroy(box)
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if parent != nil {
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C.gtk_window_group_remove_window(newgroup, pwin)
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C.g_object_unref(C.gpointer(unsafe.Pointer(newgroup))) // free the group
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if prevgroup != nil {
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C.gtk_window_group_add_window(prevgroup, pwin)
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} // otherwise it'll go back into the default group on its own
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}
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ret <- response
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}
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return <-ret
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}
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func msgBox(parent *Window, primarytext string, secondarytext string) {
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_msgBox(parent, primarytext, secondarytext, C.GtkMessageType(C.GTK_MESSAGE_OTHER), C.GtkButtonsType(C.GTK_BUTTONS_OK))
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}
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func msgBoxError(parent *Window, primarytext string, secondarytext string) {
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_msgBox(parent, primarytext, secondarytext, C.GtkMessageType(C.GTK_MESSAGE_ERROR), C.GtkButtonsType(C.GTK_BUTTONS_OK))
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}
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