gboolean
ghid_port_button_release_cb (GtkWidget * drawing_area,
GdkEventButton * ev, GtkUIManager * ui)
{
ModifierKeysState mk;
gboolean drag;
GdkModifierType state;
ghid_note_event_location (ev);
state = (GdkModifierType) (ev->state);
mk = ghid_modifier_keys_state (&state);
drag = have_crosshair_attachments ();
if (drag)
HideCrosshair (TRUE);
do_mouse_action(ev->button, mk + M_Release);
if (drag)
{
AdjustAttachedObjects ();
ghid_invalidate_all ();
RestoreCrosshair (TRUE);
ghid_screen_update ();
}
ghid_set_status_line_label ();
g_idle_add (ghid_idle_cb, NULL);
return TRUE;
}
gint
ghid_port_window_motion_cb (GtkWidget * widget,
GdkEventButton * ev, GHidPort * out)
{
gdouble dx, dy;
static gint x_prev = -1, y_prev = -1;
gboolean moved;
if (out->panning)
{
if (gtk_events_pending ())
return FALSE;
dx = gport->zoom * (x_prev - ev->x);
dy = gport->zoom * (y_prev - ev->y);
if (x_prev > 0)
ghid_port_ranges_pan (dx, dy, TRUE);
x_prev = ev->x;
y_prev = ev->y;
return FALSE;
}
x_prev = y_prev = -1;
moved = ghid_note_event_location (ev);
#if ENABLE_TOOLTIPS
queue_tooltip_update (out);
#endif
ghid_show_crosshair (TRUE);
if (moved && have_crosshair_attachments ())
ghid_draw_area_update (gport, NULL);
return FALSE;
}
gboolean
ghid_port_button_press_cb (GtkWidget * drawing_area,
GdkEventButton * ev, GtkUIManager * ui)
{
ModifierKeysState mk;
gboolean drag;
GdkModifierType state;
/* Reject double and triple click events */
if (ev->type != GDK_BUTTON_PRESS) return TRUE;
ghid_note_event_location (ev);
state = (GdkModifierType) (ev->state);
mk = ghid_modifier_keys_state (&state);
ghid_show_crosshair (FALSE);
HideCrosshair (TRUE);
drag = have_crosshair_attachments ();
do_mouse_action(ev->button, mk);
ghid_invalidate_all ();
RestoreCrosshair (TRUE);
ghid_set_status_line_label ();
ghid_show_crosshair (TRUE);
if (!gport->panning)
g_idle_add (ghid_idle_cb, NULL);
return TRUE;
}
void
ghid_show_crosshair (gboolean show)
{
gint x, y;
static gint x_prev = -1, y_prev = -1;
static gboolean draw_markers, draw_markers_prev = FALSE;
static GdkGC *xor_gc;
static GdkColor cross_color;
if (gport->x_crosshair < 0 || ghidgui->creating || !gport->has_entered)
return;
if (!xor_gc)
{
xor_gc = gdk_gc_new (ghid_port.drawing_area->window);
gdk_gc_copy (xor_gc, ghid_port.drawing_area->style->white_gc);
gdk_gc_set_function (xor_gc, GDK_XOR);
/* FIXME: when CrossColor changed from config */
ghid_map_color_string (Settings.CrossColor, &cross_color);
}
x = DRAW_X (gport->x_crosshair);
y = DRAW_Y (gport->y_crosshair);
gdk_gc_set_foreground (xor_gc, &cross_color);
if (x_prev >= 0)
{
draw_crosshair (xor_gc, x_prev, y_prev);
if (draw_markers_prev)
{
gdk_draw_rectangle (gport->drawing_area->window, xor_gc, TRUE,
0, y_prev - VCD, VCD, VCW);
gdk_draw_rectangle (gport->drawing_area->window, xor_gc, TRUE,
gport->width - VCD, y_prev - VCD, VCD, VCW);
gdk_draw_rectangle (gport->drawing_area->window, xor_gc, TRUE,
x_prev - VCD, 0, VCW, VCD);
gdk_draw_rectangle (gport->drawing_area->window, xor_gc, TRUE,
x_prev - VCD, gport->height - VCD, VCW, VCD);
}
}
if (x >= 0 && show)
{
draw_crosshair (xor_gc, x, y);
draw_markers = ghidgui->auto_pan_on && have_crosshair_attachments ();
if (draw_markers)
{
gdk_draw_rectangle (gport->drawing_area->window, xor_gc, TRUE,
0, y - VCD, VCD, VCW);
gdk_draw_rectangle (gport->drawing_area->window, xor_gc, TRUE,
gport->width - VCD, y - VCD, VCD, VCW);
gdk_draw_rectangle (gport->drawing_area->window, xor_gc, TRUE,
x - VCD, 0, VCW, VCD);
gdk_draw_rectangle (gport->drawing_area->window, xor_gc, TRUE,
x - VCD, gport->height - VCD, VCW, VCD);
}
x_prev = x;
y_prev = y;
draw_markers_prev = draw_markers;
}
else
{
x_prev = y_prev = -1;
draw_markers_prev = FALSE;
}
}
gint
ghid_port_window_leave_cb (GtkWidget * widget,
GdkEventCrossing * ev, GHidPort * out)
{
gint x0, y0, x, y, dx, dy, w, h;
/* printf("leave mode: %d detail: %d\n", ev->mode, ev->detail); */
/* Window leave events can also be triggered because of focus grabs. Some
* X applications occasionally grab the focus and so trigger this function.
* At least GNOME's window manager is known to do this on every mouse click.
*
* See http://bugzilla.gnome.org/show_bug.cgi?id=102209
*/
if(ev->mode != GDK_CROSSING_NORMAL)
{
return FALSE;
}
if(out->has_entered && !ghidgui->in_popup)
{
/* if actively drawing, start scrolling */
if (have_crosshair_attachments () && ghidgui->auto_pan_on)
{
/* GdkEvent coords are set to 0,0 at leave events, so must figure
| out edge the cursor left.
*/
w = ghid_port.width * gport->zoom;
h = ghid_port.height * gport->zoom;
x0 = VIEW_X (0);
y0 = VIEW_Y (0);
ghid_get_coords (NULL, &x, &y);
x -= x0;
y -= y0;
if (ghid_flip_x )
x = -x;
if (ghid_flip_y )
y = -y;
dx = w - x;
dy = h - y;
x_pan_speed = y_pan_speed = 2 * ghidgui->auto_pan_speed;
if (x < dx)
{
x_pan_speed = -x_pan_speed;
dx = x;
}
if (y < dy)
{
y_pan_speed = -y_pan_speed;
dy = y;
}
if (dx < dy)
{
if (dy < h / 3)
y_pan_speed = y_pan_speed - (3 * dy * y_pan_speed) / h;
else
y_pan_speed = 0;
}
else
{
if (dx < w / 3)
x_pan_speed = x_pan_speed - (3 * dx * x_pan_speed) / w;
else
x_pan_speed = 0;
}
g_idle_add (ghid_pan_idle_cb, NULL);
}
}
if(cursor_in_viewport)
{
HideCrosshair (TRUE);
cursor_in_viewport = FALSE;
}
ghid_show_crosshair (FALSE);
out->has_entered = FALSE;
ghid_screen_update ();
return FALSE;
}
