我正在尝试实现Ctrl + C快捷方式小部件,而不会干扰其他已定义的快捷方式。
我的窗口看起来像这样:
GtkWindow
GtkEntry
GtkToggleButton
// --- add checkbox ---
GtkWidget * checkbutton = gtk_check_button_new_with_label("My Checkbox");
gtk_container_add(GTK_CONTAINER(vbox), GTK_WIDGET(checkbutton));
// --- setup checkbox shortcut ---
GtkAccelGroup * accel_group = gtk_accel_group_new();
gtk_window_add_accel_group(GTK_WINDOW(window), accel_group);
gtk_widget_add_accelerator(checkbutton, "clicked", accel_group,
GDK_KEY_c, GDK_CONTROL_MASK, GTK_ACCEL_VISIBLE);
g_signal_connect(checkbutton, "clicked", G_CALLBACK(onCopyCheckbox), NULL);
// problem: this event fires, even if GtkEntry is focussed
// it then block the <kbd>Ctrl+C</kbd>-Event of GtkEntry
GtkEntry
并按下Ctrl + C,则应触发函数callback1()。 GtkToggleButton
并按下Ctrl + C,它将打印“称为\ n的onCopyCheckbox()”。GtkEntry
并按下Ctrl + C,将打印“ onCopyCheckbox()称为\ n”,但不复制任何内容。GtkToggleButton
并按下Ctrl + C,则将打印“被称为\ n的onCopyCheckbox()”。#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
// ------------------------------------------------------------
void
onCopyCheckbox (GtkWidget *widget,
GdkDragContext *context,
gpointer user_data)
{
printf("onCopyCheckbox() called\n");
}
// ------------------------------------------------------------
void fillWindow (GtkWindow * window)
{
// ------- create layout ------------
GtkWidget *vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
gtk_container_add(GTK_CONTAINER(window),GTK_WIDGET(vbox));
// --- add line edit ---
GtkWidget * lineedit = gtk_entry_new();
gtk_container_add(GTK_CONTAINER(vbox), GTK_WIDGET(lineedit));
// --- add checkbox ---
GtkWidget * checkbutton = gtk_check_button_new_with_label("My Checkbox");
gtk_container_add(GTK_CONTAINER(vbox), GTK_WIDGET(checkbutton));
// --- setup checkbox shortcut ---
GtkAccelGroup * accel_group = gtk_accel_group_new();
gtk_window_add_accel_group(GTK_WINDOW(window), accel_group);
gtk_widget_add_accelerator(checkbutton, "clicked", accel_group,
GDK_KEY_c, GDK_CONTROL_MASK, GTK_ACCEL_VISIBLE);
g_signal_connect(checkbutton, "clicked", G_CALLBACK(onCopyCheckbox), NULL);
// problem: this event fires, even if GtkEntry is focussed
// it then block the <kbd>Ctrl+C</kbd>-Event of GtkEntry
}
// ------------------------------------------------------------
int main(int argc, char *argv[]) {
gtk_init(&argc, &argv);
GtkWindow * window;
{
window = (GtkWindow*)gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_title (window, "Window title");
gtk_window_set_default_size (window, 200, 200);
g_signal_connect(window, "destroy", gtk_main_quit, NULL);
}
fillWindow(window);
gtk_widget_show_all ((GtkWidget*)window);
gtk_main();
return 0;
}
// ------------------------------------------------------------
想象一下,当复选框处于焦点状态时,您想在Ctrl + C