299 lines
10 KiB
C
299 lines
10 KiB
C
/*
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Copyright (C) 2009 Matthias Kruk <mkruk@matthiaskruk.de>
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Copyright (C) 2009 Christian Dywan <christian@twotoasts.de>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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See the file COPYING for the full license text.
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*/
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#include <midori/midori.h>
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typedef struct _MouseGesture MouseGesture;
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typedef enum _MouseButton MouseButton;
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enum _MouseButton {
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MOUSE_BUTTON_LEFT = 1,
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MOUSE_BUTTON_RIGHT = 3,
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MOUSE_BUTTON_MIDDLE = 2,
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MOUSE_BUTTON_UNSET = 0
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};
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struct MouseGestureNode {
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double x;
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double y;
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} MouseGestureNode_t;
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struct _MouseGesture {
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struct MouseGestureNode start;
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struct MouseGestureNode middle;
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struct MouseGestureNode end;
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MouseButton last;
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};
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#define DEVIANCE 20
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#define MINLENGTH 50
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#define MOUSE_GESTURES_BUTTON MOUSE_BUTTON_MIDDLE
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MouseGesture *gesture;
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void mouse_gesture_clear (MouseGesture *g)
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{
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g->start.x = 0;
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g->start.y = 0;
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g->middle.x = 0;
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g->middle.y = 0;
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g->end.x = 0;
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g->end.y = 0;
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g->last = MOUSE_BUTTON_UNSET;
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}
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MouseGesture* mouse_gesture_new (void)
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{
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MouseGesture* g = g_new (MouseGesture, 1);
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mouse_gesture_clear (g);
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return g;
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}
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static gboolean
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mouse_gestures_button_press_event_cb (GtkWidget* web_view,
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GdkEvent* event,
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MidoriBrowser* browser)
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{
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if (event->button.button == MOUSE_GESTURES_BUTTON)
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{
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/* If the gesture was previously cleaned,
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start a new gesture and coordinates. */
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if (gesture->last == MOUSE_BUTTON_UNSET)
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{
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gesture->start.x = event->button.x;
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gesture->start.y = event->button.y;
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gesture->last = event->button.button;
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}
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return TRUE;
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}
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return FALSE;
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}
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static gboolean
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mouse_gestures_motion_notify_event_cb (GtkWidget* web_view,
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GdkEvent* event,
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MidoriBrowser* browser)
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{
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if (gesture->last != MOUSE_BUTTON_UNSET)
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{
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guint x, y;
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x = event->motion.x;
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y = event->motion.y;
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if ((gesture->start.x - x < DEVIANCE && gesture->start.x - x > -DEVIANCE) ||
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(gesture->start.y - y < DEVIANCE && gesture->start.y - y > -DEVIANCE))
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{
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gesture->middle.x = x;
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gesture->middle.y = y;
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}
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else if ((gesture->middle.x - x < DEVIANCE && gesture->middle.x - x > -DEVIANCE) ||
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(gesture->middle.y - y < DEVIANCE && gesture->middle.y - y > -DEVIANCE))
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{
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gesture->end.x = x;
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gesture->end.y = y;
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}
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return TRUE;
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}
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return FALSE;
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}
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static gboolean
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mouse_gestures_button_release_event_cb (GtkWidget* web_view,
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GdkEvent* event,
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MidoriBrowser* browser)
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{
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/* All mouse gestures will use this mouse button */
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if (gesture->last == MOUSE_GESTURES_BUTTON)
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{
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/* The initial horizontal move is between the bounds */
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if ((gesture->middle.x - gesture->start.x < DEVIANCE) &&
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(gesture->middle.x - gesture->start.x > -DEVIANCE))
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{
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/* We initially moved down more than MINLENGTH pixels */
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if (gesture->middle.y > gesture->start.y + MINLENGTH)
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{
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/* Then we the final vertical move is between the bounds and
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we moved right more than MINLENGTH pixels */
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if ((gesture->middle.y - gesture->end.y < DEVIANCE) &&
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(gesture->middle.y - gesture->end.y > -DEVIANCE) &&
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(gesture->end.x > gesture->middle.x + MINLENGTH))
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/* We moved down then right: close the tab */
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midori_browser_activate_action (browser, "TabClose");
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/* Then we the final vertical move is between the bounds and
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we moved left more than MINLENGTH pixels */
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else if ((gesture->middle.y - gesture->end.y < DEVIANCE) &&
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(gesture->middle.y - gesture->end.y > -DEVIANCE) &&
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(gesture->end.x + MINLENGTH < gesture->middle.x))
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/* We moved down then left: reload */
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midori_browser_activate_action (browser, "Reload");
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/* The end node was never updated, we only did a vertical move */
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else if(gesture->end.y == 0 && gesture->end.x == 0)
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/* We moved down then: create a new tab */
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midori_browser_activate_action (browser, "TabNew");
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}
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/* We initially moved up more than MINLENGTH pixels */
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else if (gesture->middle.y + MINLENGTH < gesture->start.y)
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{
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/* The end node was never updated, we only did a vertical move */
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if (gesture->end.y == 0 && gesture->end.x == 0)
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/* We moved up: stop */
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midori_browser_activate_action (browser, "Stop");
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}
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}
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/* The initial horizontal move is between the bounds */
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else if ((gesture->middle.y - gesture->start.y < DEVIANCE) &&
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(gesture->middle.y - gesture->start.y > -DEVIANCE))
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{
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/* We initially moved right more than MINLENGTH pixels */
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if (gesture->middle.x > gesture->start.x + MINLENGTH)
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{
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/* The end node was never updated, we only did an horizontal move */
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if (gesture->end.x == 0 && gesture->end.y == 0)
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/* We moved right: forward */
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midori_browser_activate_action (browser, "Forward");
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}
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/* We initially moved left more than MINLENGTH pixels */
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else if (gesture->middle.x + MINLENGTH < gesture->start.x)
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{
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/* The end node was never updated, we only did an horizontal move */
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if (gesture->end.x == 0 && gesture->end.y == 0)
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/* We moved left: back */
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midori_browser_activate_action (browser, "Back");
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}
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}
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mouse_gesture_clear (gesture);
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return TRUE;
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}
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return FALSE;
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}
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static void
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mouse_gestures_add_tab_cb (MidoriBrowser* browser,
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MidoriView* view,
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MidoriExtension* extension)
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{
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GtkWidget* web_view = gtk_bin_get_child (GTK_BIN (view));
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g_object_connect (web_view,
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"signal::button-press-event",
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mouse_gestures_button_press_event_cb, browser,
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"signal::motion-notify-event",
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mouse_gestures_motion_notify_event_cb, browser,
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"signal::button-release-event",
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mouse_gestures_button_release_event_cb, browser,
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NULL);
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}
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static void
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mouse_gestures_deactivate_cb (MidoriExtension* extension,
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MidoriBrowser* browser);
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static void
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mouse_gestures_add_tab_foreach_cb (MidoriView* view,
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MidoriBrowser* browser,
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MidoriExtension* extension)
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{
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mouse_gestures_add_tab_cb (browser, view, extension);
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}
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static void
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mouse_gestures_app_add_browser_cb (MidoriApp* app,
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MidoriBrowser* browser,
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MidoriExtension* extension)
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{
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midori_browser_foreach (browser,
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(GtkCallback)mouse_gestures_add_tab_foreach_cb, extension);
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g_signal_connect (browser, "add-tab",
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G_CALLBACK (mouse_gestures_add_tab_cb), extension);
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g_signal_connect (extension, "deactivate",
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G_CALLBACK (mouse_gestures_deactivate_cb), browser);
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}
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static void
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mouse_gestures_deactivate_tabs (MidoriView* view,
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MidoriBrowser* browser)
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{
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GtkWidget* web_view = gtk_bin_get_child (GTK_BIN (view));
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g_object_disconnect (web_view,
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"any_signal::button-press-event",
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mouse_gestures_button_press_event_cb, browser,
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"any_signal::motion-notify-event",
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mouse_gestures_motion_notify_event_cb, browser,
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"any_signal::button-release-event",
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mouse_gestures_button_release_event_cb, browser,
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NULL);
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}
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static void
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mouse_gestures_deactivate_cb (MidoriExtension* extension,
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MidoriBrowser* browser)
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{
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MidoriApp* app = midori_extension_get_app (extension);
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g_signal_handlers_disconnect_by_func (
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extension, mouse_gestures_deactivate_cb, browser);
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g_signal_handlers_disconnect_by_func (
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app, mouse_gestures_app_add_browser_cb, extension);
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g_signal_handlers_disconnect_by_func (
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browser, mouse_gestures_add_tab_cb, extension);
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midori_browser_foreach (browser,
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(GtkCallback)mouse_gestures_deactivate_tabs, browser);
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g_free (gesture);
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}
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static void
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mouse_gestures_activate_cb (MidoriExtension* extension,
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MidoriApp* app)
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{
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KatzeArray* browsers;
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MidoriBrowser* browser;
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guint i;
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gesture = mouse_gesture_new ();
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browsers = katze_object_get_object (app, "browsers");
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i = 0;
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while ((browser = katze_array_get_nth_item (browsers, i++)))
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mouse_gestures_app_add_browser_cb (app, browser, extension);
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g_signal_connect (app, "add-browser",
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G_CALLBACK (mouse_gestures_app_add_browser_cb), extension);
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g_object_unref (browsers);
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}
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MidoriExtension*
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extension_init (void)
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{
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MidoriExtension* extension = g_object_new (MIDORI_TYPE_EXTENSION,
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"name", _("Mouse Gestures"),
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"description", _("Control Midori by moving the mouse"),
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"version", "0.1",
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"authors", "Matthias Kruk <mkruk@matthiaskruk.de>", NULL);
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midori_extension_install_integer (extension, "button", MOUSE_GESTURES_BUTTON);
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g_signal_connect (extension, "activate",
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G_CALLBACK (mouse_gestures_activate_cb), NULL);
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return extension;
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}
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