src/dialogs/dialog-events.cpp

	dialog-events.cpp revision 9fc128b158b385eb6148d741114d4dfe6a3942a7
#define __DIALOG_EVENTS_C__

/**
 * \brief  Event handler for dialog windows
 *
 * Authors:
 *   bulia byak <bulia@dr.com>
 *
 * Copyright (C) 2003 authors
 *
 * Released under GNU GPL, read the file 'COPYING' for more information
 */

#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#include <gdk/gdkkeysyms.h>
#include "macros.h"
#include <gtk/gtk.h>
#include "desktop.h"
#include "inkscape-private.h"
#include "prefs-utils.h"
#include "event-context.h"

#include "dialog-events.h"


/**
* \brief  This function is called to zero the transientize semaphore by a
*         timeout.
*/
gboolean
sp_allow_again (gpointer *wd)
{
    ((win_data *) wd)->stop = 0;
    return FALSE; // so that it is only called once
}


/**
 * \brief  Remove focus from window to whoever it is transient for...
 *
 */
void
sp_dialog_defocus (GtkWindow *win)
{
    GtkWindow *w;
    //find out the document window we're transient for
    w = gtk_window_get_transient_for ((GtkWindow *) win);
    //switch to it

    if (w) {
        gtk_window_present (w);
    }
}


/**
 * \brief Callback to defocus a widget's parent dialog.
 *
 */
void
sp_dialog_defocus_callback (GtkWindow *win, gpointer data)
{
    sp_dialog_defocus ((GtkWindow *)
        gtk_widget_get_toplevel ((GtkWidget *) data));
}


void
sp_dialog_defocus_on_enter (GtkWidget *w)
{
    g_signal_connect ( G_OBJECT (w), "activate",
                       G_CALLBACK (sp_dialog_defocus_callback), w );
}


gboolean
sp_dialog_event_handler (GtkWindow *win, GdkEvent *event, gpointer data)
{

// if the focus is inside the Text and Font textview, do nothing
    GObject *dlg = (GObject *) data;
    if (g_object_get_data (dlg, "eatkeys")) {
        return FALSE;
    }

    gboolean ret = FALSE;

    switch (event->type) {

        case GDK_KEY_PRESS:

            switch (get_group0_keyval (&event->key)) {
                case GDK_Escape:
                    sp_dialog_defocus (win);
                    ret = TRUE;
                    break;
                case GDK_F4:
                case GDK_w:
                case GDK_W:
                    // close dialog
                    if (MOD__CTRL_ONLY) {

                        /* this code sends a delete_event to the dialog,
                         * instead of just destroying it, so that the
                         * dialog can do some housekeeping, such as remember
                         * its position.
                         */
                        GdkEventAny event;
                        GtkWidget *widget = (GtkWidget *) win;
                        event.type = GDK_DELETE;
                        event.window = widget->window;
                        event.send_event = TRUE;
                        g_object_ref (G_OBJECT (event.window));
                        gtk_main_do_event ((GdkEvent*)&event);
                        g_object_unref (G_OBJECT (event.window));

                        ret = TRUE;
                    }
                    break;
                default: // pass keypress to the canvas
                    break;
            }
    default:
        ;
    }

    return ret;

}


/**
 * \brief  Make the argument dialog transient to the currently active document
           window.
 */
void
sp_transientize (GtkWidget *dialog)
{
#ifndef WIN32  // FIXME: Temporary Win32 special code to enable transient dialogs
    // _set_skip_taskbar_hint makes transient dialogs NON-transient! When dialogs
    // are made transient (_set_transient_for), they are already removed from
    // the taskbar in Win32.
    if (prefs_get_int_attribute ( "options.dialogsskiptaskbar", "value", 0)) {
        gtk_window_set_skip_taskbar_hint (GTK_WINDOW (dialog), TRUE);
    }
#endif

    gint transient_policy = prefs_get_int_attribute_limited ( "options.transientpolicy", "value", 1, 0, 2 );

#ifdef WIN32 // FIXME: Temporary Win32 special code to enable transient dialogs
    if (prefs_get_int_attribute ( "options.dialogsontopwin32", "value", 0))
        transient_policy = 2;
    else
        transient_policy = 0;
#endif

    if (transient_policy) {

    // if there's an active document window, attach dialog to it as a transient:

        if ( SP_ACTIVE_DESKTOP )
        {
            SP_ACTIVE_DESKTOP->setWindowTransient (dialog, transient_policy);
        }
    }
} // end of sp_transientize()

void on_transientize (SPDesktop *desktop, win_data *wd )
{
    sp_transientize_callback (0, desktop, wd);
}

void
sp_transientize_callback ( Inkscape::Application * /*inkscape*/,
                           SPDesktop *desktop, win_data *wd )
{
    gint transient_policy = prefs_get_int_attribute_limited ( "options.transientpolicy", "value", 1, 0, 2);

#ifdef WIN32 // FIXME: Temporary Win32 special code to enable transient dialogs
    if (prefs_get_int_attribute ( "options.dialogsontopwin32", "value", 0))
        transient_policy = 2;
    else
        return;
#endif

    if (!transient_policy)
        return;

    if (wd->stop) {
        /*
         * if retransientizing of this dialog is still forbidden after
         * previous call warning turned off because it was confusingly fired
         * when loading many files from command line
         */
         // g_warning("Retranzientize aborted! You're switching windows too fast!");
        return;
    }

    if (wd->win)
    {
        wd->stop = 1; // disallow other attempts to retranzientize this dialog
        desktop->setWindowTransient (wd->win, transient_policy);
    }

    // we're done, allow next retransientizing not sooner than after 6 msec
    gtk_timeout_add (6, (GtkFunction) sp_allow_again, (gpointer) wd);
}

void on_dialog_hide (GtkWidget *w)
{
    if (w)
        gtk_widget_hide (w);
}

void on_dialog_unhide (GtkWidget *w)
{
    if (w)
        gtk_widget_show (w);
}

gboolean
sp_dialog_hide (GtkObject *object, gpointer data)
{
    GtkWidget *dlg = (GtkWidget *) data;

    if (dlg)
        gtk_widget_hide (dlg);

    return TRUE;
}


gboolean
sp_dialog_unhide (GtkObject *object, gpointer data)
{
    GtkWidget *dlg = (GtkWidget *) data;

    if (dlg)
        gtk_widget_show (dlg);

    return TRUE;
}


/*
  Local Variables:
  mode:c++
  c-file-style:"stroustrup"
  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
  indent-tabs-mode:nil
  fill-column:99
  End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :