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diff --git a/src/event-context.cpp b/src/event-context.cpp
index 5b845388bce1c8bdd44fd7a226d237fdf5850463..828ce3d5b1d02ab950dc31ab76eb789603ca24d3 100644 (file)
--- a/src/event-context.cpp
+++ b/src/event-context.cpp
-#define __SP_EVENT_CONTEXT_C__
-
/** \file
* Main event handling, and related helper functions.
*
* Lauris Kaplinski <lauris@kaplinski.com>
* Frank Felfe <innerspace@iname.com>
* bulia byak <buliabyak@users.sf.net>
+ * Jon A. Cruz <jon@joncruz.org>
*
- * Copyright (C) 1999-2005 authors
+ * Copyright (C) 1999-2010 authors
* Copyright (C) 2001-2002 Ximian, Inc.
*
* Released under GNU GPL, read the file 'COPYING' for more information
#include "shortcuts.h"
#include "desktop.h"
#include "desktop-handles.h"
+#include "desktop-events.h"
+#include "desktop-style.h"
+#include "widgets/desktop-widget.h"
#include "sp-namedview.h"
#include "selection.h"
#include "file.h"
#include "attributes.h"
#include "rubberband.h"
#include "selcue.h"
-#include "node-context.h"
#include "lpe-tool-context.h"
+#include "ui/tool/control-point.h"
+#include "shape-editor.h"
+#include "sp-guide.h"
+#include "color.h"
static void sp_event_context_class_init(SPEventContextClass *klass);
static void sp_event_context_init(SPEventContext *event_context);
static void sp_event_context_dispose(GObject *object);
static void sp_event_context_private_setup(SPEventContext *ec);
-static gint sp_event_context_private_root_handler(SPEventContext *event_context, GdkEvent *event);
-static gint sp_event_context_private_item_handler(SPEventContext *event_context, SPItem *item, GdkEvent *event);
+static gint sp_event_context_private_root_handler(
+ SPEventContext *event_context, GdkEvent *event);
+static gint sp_event_context_private_item_handler(
+ SPEventContext *event_context, SPItem *item, GdkEvent *event);
static void set_event_location(SPDesktop * desktop, GdkEvent * event);
/**
* Registers the SPEventContext class with Glib and returns its type number.
*/
-GType
-sp_event_context_get_type(void)
-{
+GType sp_event_context_get_type(void) {
static GType type = 0;
if (!type) {
- GTypeInfo info = {
- sizeof(SPEventContextClass),
- NULL, NULL,
- (GClassInitFunc) sp_event_context_class_init,
- NULL, NULL,
- sizeof(SPEventContext),
- 4,
- (GInstanceInitFunc) sp_event_context_init,
- NULL, /* value_table */
+ GTypeInfo info = { sizeof(SPEventContextClass), NULL, NULL,
+ (GClassInitFunc) sp_event_context_class_init, NULL, NULL,
+ sizeof(SPEventContext), 4,
+ (GInstanceInitFunc) sp_event_context_init, NULL, /* value_table */
};
- type = g_type_register_static(G_TYPE_OBJECT, "SPEventContext", &info, (GTypeFlags)0);
+ type = g_type_register_static(G_TYPE_OBJECT, "SPEventContext", &info,
+ (GTypeFlags) 0);
}
return type;
}
/**
* Callback to set up the SPEventContext vtable.
*/
-static void
-sp_event_context_class_init(SPEventContextClass *klass)
-{
+static void sp_event_context_class_init(SPEventContextClass *klass) {
GObjectClass *object_class;
object_class = (GObjectClass *) klass;
- parent_class = (GObjectClass*)g_type_class_peek_parent(klass);
+ parent_class = (GObjectClass*) g_type_class_peek_parent(klass);
object_class->dispose = sp_event_context_dispose;
/**
* Clears all SPEventContext object members.
*/
-static void
-sp_event_context_init(SPEventContext *event_context)
-{
+static void sp_event_context_init(SPEventContext *event_context) {
event_context->desktop = NULL;
event_context->cursor = NULL;
event_context->_message_context = NULL;
event_context->space_panning = false;
event_context->shape_editor = NULL;
event_context->_delayed_snap_event = NULL;
+ event_context->_dse_callback_in_process = false;
+ event_context->tool_url = NULL;
}
/**
* Callback to free and null member variables of SPEventContext object.
*/
-static void
-sp_event_context_dispose(GObject *object)
-{
+static void sp_event_context_dispose(GObject *object) {
SPEventContext *ec;
ec = SP_EVENT_CONTEXT(object);
delete ec->pref_observer;
}
+ if (ec->_delayed_snap_event) {
+ delete ec->_delayed_snap_event;
+ }
+
G_OBJECT_CLASS(parent_class)->dispose(object);
}
/**
* Recreates and draws cursor on desktop related to SPEventContext.
*/
-void
-sp_event_context_update_cursor(SPEventContext *ec)
-{
+void sp_event_context_update_cursor(SPEventContext *ec) {
GtkWidget *w = GTK_WIDGET(sp_desktop_canvas(ec->desktop));
if (w->window) {
/* fixme: */
if (ec->cursor_shape) {
- GdkBitmap *bitmap = NULL;
- GdkBitmap *mask = NULL;
- sp_cursor_bitmap_and_mask_from_xpm(&bitmap, &mask, ec->cursor_shape);
- if ((bitmap != NULL) && (mask != NULL)) {
- if (ec->cursor)
- gdk_cursor_unref (ec->cursor);
- ec->cursor = gdk_cursor_new_from_pixmap(bitmap, mask,
- &w->style->black,
- &w->style->white,
- ec->hot_x, ec->hot_y);
- g_object_unref (bitmap);
- g_object_unref (mask);
+ GdkDisplay *display = gdk_display_get_default();
+ if (ec->tool_url && gdk_display_supports_cursor_alpha(display) && gdk_display_supports_cursor_color(display)) {
+ bool fillHasColor=false, strokeHasColor=false;
+ guint32 fillColor = sp_desktop_get_color_tool(ec->desktop, ec->tool_url, true, &fillHasColor);
+ guint32 strokeColor = sp_desktop_get_color_tool(ec->desktop, ec->tool_url, false, &strokeHasColor);
+ double fillOpacity = fillHasColor ? sp_desktop_get_opacity_tool(ec->desktop, ec->tool_url, true) : 0;
+ double strokeOpacity = strokeHasColor ? sp_desktop_get_opacity_tool(ec->desktop, ec->tool_url, false) : 0;
+ GdkPixbuf *pixbuf = sp_cursor_pixbuf_from_xpm(
+ ec->cursor_shape,
+ w->style->black, w->style->white,
+ SP_RGBA32_U_COMPOSE(SP_RGBA32_R_U(fillColor),SP_RGBA32_G_U(fillColor),SP_RGBA32_B_U(fillColor),SP_COLOR_F_TO_U(fillOpacity)),
+ SP_RGBA32_U_COMPOSE(SP_RGBA32_R_U(strokeColor),SP_RGBA32_G_U(strokeColor),SP_RGBA32_B_U(strokeColor),SP_COLOR_F_TO_U(strokeOpacity))
+ );
+ if (pixbuf != NULL) {
+ if (ec->cursor)
+ gdk_cursor_unref(ec->cursor);
+ ec->cursor = gdk_cursor_new_from_pixbuf(display, pixbuf, ec->hot_x, ec->hot_y);
+ g_object_unref(pixbuf);
+ }
+ } else {
+ GdkBitmap *bitmap = NULL;
+ GdkBitmap *mask = NULL;
+ sp_cursor_bitmap_and_mask_from_xpm(&bitmap, &mask, ec->cursor_shape);
+ if ((bitmap != NULL) && (mask != NULL)) {
+ if (ec->cursor)
+ gdk_cursor_unref(ec->cursor);
+ ec->cursor = gdk_cursor_new_from_pixmap(bitmap, mask,
+ &w->style->black, &w->style->white, ec->hot_x,
+ ec->hot_y);
+ g_object_unref(bitmap);
+ g_object_unref(mask);
+ }
}
}
gdk_window_set_cursor(w->window, ec->cursor);
* Callback that gets called on initialization of SPEventContext object.
* Redraws mouse cursor, at the moment.
*/
-static void
-sp_event_context_private_setup(SPEventContext *ec)
-{
+static void sp_event_context_private_setup(SPEventContext *ec) {
sp_event_context_update_cursor(ec);
}
/**
* \brief Gobbles next key events on the queue with the same keyval and mask. Returns the number of events consumed.
*/
-gint gobble_key_events(guint keyval, gint mask)
-{
+gint gobble_key_events(guint keyval, gint mask) {
GdkEvent *event_next;
gint i = 0;
event_next = gdk_event_get();
// while the next event is also a key notify with the same keyval and mask,
- while (event_next && (event_next->type == GDK_KEY_PRESS || event_next->type == GDK_KEY_RELEASE)
- && event_next->key.keyval == keyval
- && (!mask || (event_next->key.state & mask))) {
+ while (event_next && (event_next->type == GDK_KEY_PRESS || event_next->type
+ == GDK_KEY_RELEASE) && event_next->key.keyval == keyval && (!mask
+ || (event_next->key.state & mask))) {
if (event_next->type == GDK_KEY_PRESS)
- i ++;
+ i++;
// kill it
gdk_event_free(event_next);
// get next
event_next = gdk_event_get();
}
// otherwise, put it back onto the queue
- if (event_next) gdk_event_put(event_next);
+ if (event_next)
+ gdk_event_put(event_next);
return i;
}
/**
* \brief Gobbles next motion notify events on the queue with the same mask. Returns the number of events consumed.
-*/
-gint gobble_motion_events(gint mask)
-{
+ */
+gint gobble_motion_events(gint mask) {
GdkEvent *event_next;
gint i = 0;
event_next = gdk_event_get();
// while the next event is also a key notify with the same keyval and mask,
while (event_next && event_next->type == GDK_MOTION_NOTIFY
- && (event_next->motion.state & mask)) {
+ && (event_next->motion.state & mask)) {
// kill it
gdk_event_free(event_next);
// get next
event_next = gdk_event_get();
- i ++;
+ i++;
}
// otherwise, put it back onto the queue
- if (event_next) gdk_event_put(event_next);
+ if (event_next)
+ gdk_event_put(event_next);
return i;
}
* Toggles current tool between active tool and selector tool.
* Subroutine of sp_event_context_private_root_handler().
*/
-static void
-sp_toggle_selector(SPDesktop *dt)
-{
- if (!dt->event_context) return;
+static void sp_toggle_selector(SPDesktop *dt) {
+ if (!dt->event_context)
+ return;
if (tools_isactive(dt, TOOLS_SELECT)) {
if (selector_toggled) {
- if (switch_selector_to) tools_switch (dt, switch_selector_to);
+ if (switch_selector_to)
+ tools_switch(dt, switch_selector_to);
selector_toggled = FALSE;
- } else return;
+ } else
+ return;
} else {
selector_toggled = TRUE;
switch_selector_to = tools_active(dt);
- tools_switch (dt, TOOLS_SELECT);
+ tools_switch(dt, TOOLS_SELECT);
}
}
* Toggles current tool between active tool and dropper tool.
* Subroutine of sp_event_context_private_root_handler().
*/
-static void
-sp_toggle_dropper(SPDesktop *dt)
-{
- if (!dt->event_context) return;
+static void sp_toggle_dropper(SPDesktop *dt) {
+ if (!dt->event_context)
+ return;
if (tools_isactive(dt, TOOLS_DROPPER)) {
if (dropper_toggled) {
- if (switch_dropper_to) tools_switch (dt, switch_dropper_to);
+ if (switch_dropper_to)
+ tools_switch(dt, switch_dropper_to);
dropper_toggled = FALSE;
- } else return;
+ } else
+ return;
} else {
dropper_toggled = TRUE;
switch_dropper_to = tools_active(dt);
- tools_switch (dt, TOOLS_DROPPER);
+ tools_switch(dt, TOOLS_DROPPER);
}
}
* Calculates and keeps track of scroll acceleration.
* Subroutine of sp_event_context_private_root_handler().
*/
-static gdouble accelerate_scroll(GdkEvent *event, gdouble acceleration, SPCanvas */*canvas*/)
-{
+static gdouble accelerate_scroll(GdkEvent *event, gdouble acceleration,
+ SPCanvas */*canvas*/) {
guint32 time_diff = ((GdkEventKey *) event)->time - scroll_event_time;
/* key pressed within 500ms ? (1/2 second) */
@@ -332,8 +351,8 @@ static gdouble accelerate_scroll(GdkEvent *event, gdouble acceleration, SPCanvas
/**
* Main event dispatch, gets called from Gdk.
*/
-static gint sp_event_context_private_root_handler(SPEventContext *event_context, GdkEvent *event)
-{
+static gint sp_event_context_private_root_handler(
+ SPEventContext *event_context, GdkEvent *event) {
static Geom::Point button_w;
static unsigned int panning = 0;
static unsigned int zoom_rb = 0;
@@ -342,373 +361,386 @@ static gint sp_event_context_private_root_handler(SPEventContext *event_context,
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
/// @todo REmove redundant /value in preference keys
- tolerance = prefs->getIntLimited(
- "/options/dragtolerance/value", 0, 0, 100);
- double const zoom_inc = prefs->getDoubleLimited(
- "/options/zoomincrement/value", M_SQRT2, 1.01, 10);
- double const acceleration = prefs->getDoubleLimited(
- "/options/scrollingacceleration/value", 0, 0, 6);
- int const key_scroll = prefs->getIntLimited(
- "/options/keyscroll/value", 10, 0, 1000);
- int const wheel_scroll = prefs->getIntLimited(
- "/options/wheelscroll/value", 40, 0, 1000);
+ tolerance = prefs->getIntLimited("/options/dragtolerance/value", 0, 0, 100);
gint ret = FALSE;
switch (event->type) {
- case GDK_2BUTTON_PRESS:
- if (panning) {
- panning = 0;
- sp_canvas_item_ungrab(SP_CANVAS_ITEM(desktop->acetate),
- event->button.time);
+ case GDK_2BUTTON_PRESS:
+ if (panning) {
+ panning = 0;
+ sp_canvas_item_ungrab(SP_CANVAS_ITEM(desktop->acetate),
+ event->button.time);
+ ret = TRUE;
+ } else {
+ /* sp_desktop_dialog(); */
+ }
+ break;
+ case GDK_BUTTON_PRESS:
+
+ // save drag origin
+ xp = (gint) event->button.x;
+ yp = (gint) event->button.y;
+ within_tolerance = true;
+
+ button_w = Geom::Point(event->button.x, event->button.y);
+
+ switch (event->button.button) {
+ case 1:
+ if (event_context->space_panning) {
+ // When starting panning, make sure there are no snap events pending because these might disable the panning again
+ sp_event_context_discard_delayed_snap_event(event_context);
+ panning = 1;
+ sp_canvas_item_grab(SP_CANVAS_ITEM(desktop->acetate),
+ GDK_KEY_RELEASE_MASK | GDK_BUTTON_RELEASE_MASK
+ | GDK_POINTER_MOTION_MASK
+ | GDK_POINTER_MOTION_HINT_MASK, NULL,
+ event->button.time - 1);
ret = TRUE;
+ }
+ break;
+ case 2:
+ if (event->button.state & GDK_SHIFT_MASK) {
+ zoom_rb = 2;
} else {
- /* sp_desktop_dialog(); */
+ // When starting panning, make sure there are no snap events pending because these might disable the panning again
+ sp_event_context_discard_delayed_snap_event(event_context);
+ panning = 2;
+ sp_canvas_item_grab(SP_CANVAS_ITEM(desktop->acetate),
+ GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK
+ | GDK_POINTER_MOTION_HINT_MASK, NULL,
+ event->button.time - 1);
}
+ ret = TRUE;
break;
- case GDK_BUTTON_PRESS:
-
- // save drag origin
- xp = (gint) event->button.x;
- yp = (gint) event->button.y;
- within_tolerance = true;
-
- button_w = Geom::Point(event->button.x, event->button.y);
-
- switch (event->button.button) {
- case 1:
- if (event_context->space_panning) {
- panning = 1;
- sp_canvas_item_grab(SP_CANVAS_ITEM(desktop->acetate),
- GDK_KEY_RELEASE_MASK | GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK,
- NULL, event->button.time-1);
- ret = TRUE;
- }
- break;
- case 2:
- if (event->button.state == GDK_SHIFT_MASK) {
- zoom_rb = 2;
- } else {
- panning = 2;
- sp_canvas_item_grab(SP_CANVAS_ITEM(desktop->acetate),
- GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK,
- NULL, event->button.time-1);
- }
- ret = TRUE;
- break;
- case 3:
- if (event->button.state & GDK_SHIFT_MASK
- || event->button.state & GDK_CONTROL_MASK) {
- panning = 3;
- sp_canvas_item_grab(SP_CANVAS_ITEM(desktop->acetate),
- GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK,
- NULL, event->button.time);
- ret = TRUE;
- } else {
- sp_event_root_menu_popup(desktop, NULL, event);
- }
- break;
- default:
- break;
+ case 3:
+ if (event->button.state & GDK_SHIFT_MASK || event->button.state
+ & GDK_CONTROL_MASK) {
+ // When starting panning, make sure there are no snap events pending because these might disable the panning again
+ sp_event_context_discard_delayed_snap_event(event_context);
+ panning = 3;
+ sp_canvas_item_grab(SP_CANVAS_ITEM(desktop->acetate),
+ GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK
+ | GDK_POINTER_MOTION_HINT_MASK, NULL,
+ event->button.time);
+ ret = TRUE;
+ } else {
+ sp_event_root_menu_popup(desktop, NULL, event);
}
break;
- case GDK_MOTION_NOTIFY:
- if (panning) {
- if ((panning == 2 && !(event->motion.state & GDK_BUTTON2_MASK))
- || (panning == 1 && !(event->motion.state & GDK_BUTTON1_MASK))
- || (panning == 3 && !(event->motion.state & GDK_BUTTON3_MASK))
- ) {
- /* Gdk seems to lose button release for us sometimes :-( */
- panning = 0;
- sp_canvas_item_ungrab(SP_CANVAS_ITEM(desktop->acetate),
- event->button.time);
- ret = TRUE;
- } else {
- if ( within_tolerance
- && ( abs( (gint) event->motion.x - xp ) < tolerance )
- && ( abs( (gint) event->motion.y - yp ) < tolerance ))
- {
- // do not drag if we're within tolerance from origin
- break;
- }
- // Once the user has moved farther than tolerance from
- // the original location (indicating they intend to move
- // the object, not click), then always process the motion
- // notify coordinates as given (no snapping back to origin)
- within_tolerance = false;
-
- // gobble subsequent motion events to prevent "sticking"
- // when scrolling is slow
- gobble_motion_events(panning == 2 ?
- GDK_BUTTON2_MASK :
- (panning == 1 ? GDK_BUTTON1_MASK : GDK_BUTTON3_MASK));
-
- Geom::Point const motion_w(event->motion.x, event->motion.y);
- Geom::Point const moved_w( motion_w - button_w );
- event_context->desktop->scroll_world(moved_w, true); // we're still scrolling, do not redraw
- ret = TRUE;
- }
- } else if (zoom_rb) {
- Geom::Point const motion_w(event->motion.x, event->motion.y);
- Geom::Point const motion_dt(desktop->w2d(motion_w));
-
- if ( within_tolerance
- && ( abs( (gint) event->motion.x - xp ) < tolerance )
- && ( abs( (gint) event->motion.y - yp ) < tolerance ) ) {
- break; // do not drag if we're within tolerance from origin
+ default:
+ break;
+ }
+ break;
+ case GDK_MOTION_NOTIFY:
+ if (panning) {
+ if ((panning == 2 && !(event->motion.state & GDK_BUTTON2_MASK))
+ || (panning == 1 && !(event->motion.state
+ & GDK_BUTTON1_MASK)) || (panning == 3
+ && !(event->motion.state & GDK_BUTTON3_MASK))) {
+ /* Gdk seems to lose button release for us sometimes :-( */
+ panning = 0;
+ sp_canvas_item_ungrab(SP_CANVAS_ITEM(desktop->acetate),
+ event->button.time);
+ ret = TRUE;
+ } else {
+ if (within_tolerance && (abs((gint) event->motion.x - xp)
+ < tolerance) && (abs((gint) event->motion.y - yp)
+ < tolerance)) {
+ // do not drag if we're within tolerance from origin
+ break;
}
- // Once the user has moved farther than tolerance from the original location
- // (indicating they intend to move the object, not click), then always process the
- // motion notify coordinates as given (no snapping back to origin)
+ // Once the user has moved farther than tolerance from
+ // the original location (indicating they intend to move
+ // the object, not click), then always process the motion
+ // notify coordinates as given (no snapping back to origin)
within_tolerance = false;
- if (Inkscape::Rubberband::get(desktop)->is_started()) {
- Inkscape::Rubberband::get(desktop)->move(motion_dt);
- } else {
- Inkscape::Rubberband::get(desktop)->start(desktop, motion_dt);
- }
- if (zoom_rb == 2)
- gobble_motion_events(GDK_BUTTON2_MASK);
- }
- break;
- case GDK_BUTTON_RELEASE:
- xp = yp = 0;
- if (within_tolerance && (panning || zoom_rb)) {
- zoom_rb = 0;
- if (panning) {
- panning = 0;
- sp_canvas_item_ungrab(SP_CANVAS_ITEM(desktop->acetate),
- event->button.time);
- }
- Geom::Point const event_w(event->button.x, event->button.y);
- Geom::Point const event_dt(desktop->w2d(event_w));
- desktop->zoom_relative_keep_point(event_dt,
- (event->button.state & GDK_SHIFT_MASK) ? 1/zoom_inc : zoom_inc);
- desktop->updateNow();
+ // gobble subsequent motion events to prevent "sticking"
+ // when scrolling is slow
+ gobble_motion_events(panning == 2 ? GDK_BUTTON2_MASK : (panning
+ == 1 ? GDK_BUTTON1_MASK : GDK_BUTTON3_MASK));
+
+ Geom::Point const motion_w(event->motion.x, event->motion.y);
+ Geom::Point const moved_w(motion_w - button_w);
+ event_context->desktop->scroll_world(moved_w, true); // we're still scrolling, do not redraw
ret = TRUE;
- } else if (panning == event->button.button) {
+ }
+ } else if (zoom_rb) {
+ Geom::Point const motion_w(event->motion.x, event->motion.y);
+ Geom::Point const motion_dt(desktop->w2d(motion_w));
+
+ if (within_tolerance && (abs((gint) event->motion.x - xp)
+ < tolerance) && (abs((gint) event->motion.y - yp)
+ < tolerance)) {
+ break; // do not drag if we're within tolerance from origin
+ }
+ // Once the user has moved farther than tolerance from the original location
+ // (indicating they intend to move the object, not click), then always process the
+ // motion notify coordinates as given (no snapping back to origin)
+ within_tolerance = false;
+
+ if (Inkscape::Rubberband::get(desktop)->is_started()) {
+ Inkscape::Rubberband::get(desktop)->move(motion_dt);
+ } else {
+ Inkscape::Rubberband::get(desktop)->start(desktop, motion_dt);
+ }
+ if (zoom_rb == 2)
+ gobble_motion_events(GDK_BUTTON2_MASK);
+ }
+ break;
+ case GDK_BUTTON_RELEASE:
+ xp = yp = 0;
+ if (within_tolerance && (panning || zoom_rb)) {
+ zoom_rb = 0;
+ if (panning) {
panning = 0;
sp_canvas_item_ungrab(SP_CANVAS_ITEM(desktop->acetate),
- event->button.time);
-
- // in slow complex drawings, some of the motion events are lost;
- // to make up for this, we scroll it once again to the button-up event coordinates
- // (i.e. canvas will always get scrolled all the way to the mouse release point,
- // even if few intermediate steps were visible)
- Geom::Point const motion_w(event->button.x, event->button.y);
- Geom::Point const moved_w( motion_w - button_w );
- event_context->desktop->scroll_world(moved_w);
- desktop->updateNow();
- ret = TRUE;
- } else if (zoom_rb == event->button.button) {
- zoom_rb = 0;
- Geom::OptRect const b = Inkscape::Rubberband::get(desktop)->getRectangle();
- Inkscape::Rubberband::get(desktop)->stop();
- if (b && !within_tolerance) {
- desktop->set_display_area(*b, 10);
+ event->button.time);
+ }
+ Geom::Point const event_w(event->button.x, event->button.y);
+ Geom::Point const event_dt(desktop->w2d(event_w));
+ double const zoom_inc = prefs->getDoubleLimited(
+ "/options/zoomincrement/value", M_SQRT2, 1.01, 10);
+ desktop->zoom_relative_keep_point(event_dt, (event->button.state
+ & GDK_SHIFT_MASK) ? 1 / zoom_inc : zoom_inc);
+ desktop->updateNow();
+ ret = TRUE;
+ } else if (panning == event->button.button) {
+ panning = 0;
+ sp_canvas_item_ungrab(SP_CANVAS_ITEM(desktop->acetate),
+ event->button.time);
+
+ // in slow complex drawings, some of the motion events are lost;
+ // to make up for this, we scroll it once again to the button-up event coordinates
+ // (i.e. canvas will always get scrolled all the way to the mouse release point,
+ // even if few intermediate steps were visible)
+ Geom::Point const motion_w(event->button.x, event->button.y);
+ Geom::Point const moved_w(motion_w - button_w);
+ event_context->desktop->scroll_world(moved_w);
+ desktop->updateNow();
+ ret = TRUE;
+ } else if (zoom_rb == event->button.button) {
+ zoom_rb = 0;
+ Geom::OptRect const b =
+ Inkscape::Rubberband::get(desktop)->getRectangle();
+ Inkscape::Rubberband::get(desktop)->stop();
+ if (b && !within_tolerance) {
+ desktop->set_display_area(*b, 10);
+ }
+ ret = TRUE;
+ }
+ break;
+ case GDK_KEY_PRESS: {
+ double const acceleration = prefs->getDoubleLimited(
+ "/options/scrollingacceleration/value", 0, 0, 6);
+ int const key_scroll = prefs->getIntLimited("/options/keyscroll/value",
+ 10, 0, 1000);
+
+ switch (get_group0_keyval(&event->key)) {
+ // GDK insists on stealing these keys (F1 for no idea what, tab for cycling widgets
+ // in the editing window). So we resteal them back and run our regular shortcut
+ // invoker on them.
+ unsigned int shortcut;
+ case GDK_Tab:
+ case GDK_ISO_Left_Tab:
+ case GDK_F1:
+ shortcut = get_group0_keyval(&event->key);
+ if (event->key.state & GDK_SHIFT_MASK)
+ shortcut |= SP_SHORTCUT_SHIFT_MASK;
+ if (event->key.state & GDK_CONTROL_MASK)
+ shortcut |= SP_SHORTCUT_CONTROL_MASK;
+ if (event->key.state & GDK_MOD1_MASK)
+ shortcut |= SP_SHORTCUT_ALT_MASK;
+ ret = sp_shortcut_invoke(shortcut, desktop);
+ break;
+
+ case GDK_D:
+ case GDK_d:
+ if (!MOD__SHIFT && !MOD__CTRL && !MOD__ALT) {
+ sp_toggle_dropper(desktop);
+ ret = TRUE;
+ }
+ break;
+ case GDK_Q:
+ case GDK_q:
+ if (desktop->quick_zoomed()) {
+ ret = TRUE;
+ }
+ if (!MOD__SHIFT && !MOD__CTRL && !MOD__ALT) {
+ desktop->zoom_quick(true);
+ ret = TRUE;
+ }
+ break;
+ case GDK_W:
+ case GDK_w:
+ case GDK_F4:
+ /* Close view */
+ if (MOD__CTRL_ONLY) {
+ sp_ui_close_view(NULL);
+ ret = TRUE;
+ }
+ break;
+ case GDK_Left: // Ctrl Left
+ case GDK_KP_Left:
+ case GDK_KP_4:
+ if (MOD__CTRL_ONLY) {
+ int i = (int) floor(key_scroll * accelerate_scroll(event,
+ acceleration, sp_desktop_canvas(desktop)));
+ gobble_key_events(get_group0_keyval(&event->key), GDK_CONTROL_MASK);
+ event_context->desktop->scroll_world(i, 0);
+ ret = TRUE;
+ }
+ break;
+ case GDK_Up: // Ctrl Up
+ case GDK_KP_Up:
+ case GDK_KP_8:
+ if (MOD__CTRL_ONLY) {
+ int i = (int) floor(key_scroll * accelerate_scroll(event,
+ acceleration, sp_desktop_canvas(desktop)));
+ gobble_key_events(get_group0_keyval(&event->key), GDK_CONTROL_MASK);
+ event_context->desktop->scroll_world(0, i);
+ ret = TRUE;
+ }
+ break;
+ case GDK_Right: // Ctrl Right
+ case GDK_KP_Right:
+ case GDK_KP_6:
+ if (MOD__CTRL_ONLY) {
+ int i = (int) floor(key_scroll * accelerate_scroll(event,
+ acceleration, sp_desktop_canvas(desktop)));
+ gobble_key_events(get_group0_keyval(&event->key), GDK_CONTROL_MASK);
+ event_context->desktop->scroll_world(-i, 0);
+ ret = TRUE;
+ }
+ break;
+ case GDK_Down: // Ctrl Down
+ case GDK_KP_Down:
+ case GDK_KP_2:
+ if (MOD__CTRL_ONLY) {
+ int i = (int) floor(key_scroll * accelerate_scroll(event,
+ acceleration, sp_desktop_canvas(desktop)));
+ gobble_key_events(get_group0_keyval(&event->key), GDK_CONTROL_MASK);
+ event_context->desktop->scroll_world(0, -i);
+ ret = TRUE;
+ }
+ break;
+ case GDK_F10:
+ if (MOD__SHIFT_ONLY) {
+ sp_event_root_menu_popup(desktop, NULL, event);
+ ret = TRUE;
+ }
+ break;
+ case GDK_space:
+ if (prefs->getBool("/options/spacepans/value")) {
+ event_context->space_panning = true;
+ event_context->_message_context->set(Inkscape::INFORMATION_MESSAGE,
+ _("<b>Space+mouse drag</b> to pan canvas"));
+ ret = TRUE;
+ } else {
+ sp_toggle_selector(desktop);
+ ret = TRUE;
+ }
+ break;
+ case GDK_z:
+ case GDK_Z:
+ if (MOD__ALT_ONLY) {
+ desktop->zoom_grab_focus();
+ ret = TRUE;
+ }
+ break;
+ default:
+ break;
+ }
+ }
+ break;
+ case GDK_KEY_RELEASE:
+ switch (get_group0_keyval(&event->key)) {
+ case GDK_space:
+ if (event_context->space_panning) {
+ event_context->space_panning = false;
+ event_context->_message_context->clear();
+ if (panning == 1) {
+ panning = 0;
+ sp_canvas_item_ungrab(SP_CANVAS_ITEM(desktop->acetate),
+ event->key.time);
+ desktop->updateNow();
}
ret = TRUE;
}
break;
- case GDK_KEY_PRESS:
- switch (get_group0_keyval(&event->key)) {
- // GDK insists on stealing these keys (F1 for no idea what, tab for cycling widgets
- // in the editing window). So we resteal them back and run our regular shortcut
- // invoker on them.
- unsigned int shortcut;
- case GDK_Tab:
- case GDK_ISO_Left_Tab:
- case GDK_F1:
- shortcut = get_group0_keyval(&event->key);
- if (event->key.state & GDK_SHIFT_MASK)
- shortcut |= SP_SHORTCUT_SHIFT_MASK;
- if (event->key.state & GDK_CONTROL_MASK)
- shortcut |= SP_SHORTCUT_CONTROL_MASK;
- if (event->key.state & GDK_MOD1_MASK)
- shortcut |= SP_SHORTCUT_ALT_MASK;
- ret = sp_shortcut_invoke(shortcut, desktop);
- break;
-
- case GDK_D:
- case GDK_d:
- if (!MOD__SHIFT && !MOD__CTRL && !MOD__ALT) {
- sp_toggle_dropper(desktop);
- ret = TRUE;
- }
- break;
- case GDK_Q:
- case GDK_q:
- if (desktop->quick_zoomed()) {
- ret = TRUE;
- }
- if (!MOD__SHIFT && !MOD__CTRL && !MOD__ALT) {
- desktop->zoom_quick(true);
- ret = TRUE;
- }
- break;
- case GDK_W:
- case GDK_w:
- case GDK_F4:
- /* Close view */
- if (MOD__CTRL_ONLY) {
- sp_ui_close_view(NULL);
- ret = TRUE;
- }
- break;
- case GDK_Left: // Ctrl Left
- case GDK_KP_Left:
- case GDK_KP_4:
- if (MOD__CTRL_ONLY) {
- int i = (int) floor(key_scroll * accelerate_scroll(event, acceleration, sp_desktop_canvas(desktop)));
- gobble_key_events(get_group0_keyval(&event->key),
- GDK_CONTROL_MASK);
- event_context->desktop->scroll_world(i, 0);
- ret = TRUE;
- }
- break;
- case GDK_Up: // Ctrl Up
- case GDK_KP_Up:
- case GDK_KP_8:
- if (MOD__CTRL_ONLY) {
- int i = (int) floor(key_scroll * accelerate_scroll(event, acceleration, sp_desktop_canvas(desktop)));
- gobble_key_events(get_group0_keyval(&event->key),
- GDK_CONTROL_MASK);
- event_context->desktop->scroll_world(0, i);
- ret = TRUE;
- }
- break;
- case GDK_Right: // Ctrl Right
- case GDK_KP_Right:
- case GDK_KP_6:
- if (MOD__CTRL_ONLY) {
- int i = (int) floor(key_scroll * accelerate_scroll(event, acceleration, sp_desktop_canvas(desktop)));
- gobble_key_events(get_group0_keyval(&event->key),
- GDK_CONTROL_MASK);
- event_context->desktop->scroll_world(-i, 0);
- ret = TRUE;
- }
- break;
- case GDK_Down: // Ctrl Down
- case GDK_KP_Down:
- case GDK_KP_2:
- if (MOD__CTRL_ONLY) {
- int i = (int) floor(key_scroll * accelerate_scroll(event, acceleration, sp_desktop_canvas(desktop)));
- gobble_key_events(get_group0_keyval(&event->key),
- GDK_CONTROL_MASK);
- event_context->desktop->scroll_world(0, -i);
- ret = TRUE;
- }
- break;
- case GDK_F10:
- if (MOD__SHIFT_ONLY) {
- sp_event_root_menu_popup(desktop, NULL, event);
- ret= TRUE;
- }
- break;
- case GDK_space:
- if (prefs->getBool("/options/spacepans/value")) {
- event_context->space_panning = true;
- event_context->_message_context->set(Inkscape::INFORMATION_MESSAGE, _("<b>Space+mouse drag</b> to pan canvas"));
- ret= TRUE;
- } else {
- sp_toggle_selector(desktop);
- ret= TRUE;
- }
- break;
- case GDK_z:
- case GDK_Z:
- if (MOD__ALT_ONLY) {
- desktop->zoom_grab_focus();
- ret = TRUE;
- }
- break;
- default:
- break;
+ case GDK_Q:
+ case GDK_q:
+ if (desktop->quick_zoomed()) {
+ desktop->zoom_quick(false);
+ ret = TRUE;
}
break;
- case GDK_KEY_RELEASE:
- switch (get_group0_keyval(&event->key)) {
- case GDK_space:
- if (event_context->space_panning) {
- event_context->space_panning = false;
- event_context->_message_context->clear();
- if (panning == 1) {
- panning = 0;
- sp_canvas_item_ungrab(SP_CANVAS_ITEM(desktop->acetate),
- event->key.time);
- desktop->updateNow();
- }
- ret= TRUE;
- }
- break;
- case GDK_Q:
- case GDK_q:
- if (desktop->quick_zoomed()) {
- desktop->zoom_quick(false);
- ret = TRUE;
- }
- break;
- default:
- break;
- }
+ default:
break;
- case GDK_SCROLL:
- {
- bool ctrl = (event->scroll.state & GDK_CONTROL_MASK);
- bool wheelzooms = prefs->getBool("/options/wheelzooms/value");
- /* shift + wheel, pan left--right */
- if (event->scroll.state & GDK_SHIFT_MASK) {
- switch (event->scroll.direction) {
- case GDK_SCROLL_UP:
- desktop->scroll_world(wheel_scroll, 0);
- break;
- case GDK_SCROLL_DOWN:
- desktop->scroll_world(-wheel_scroll, 0);
- break;
- default:
- break;
- }
+ }
+ break;
+ case GDK_SCROLL: {
+ bool ctrl = (event->scroll.state & GDK_CONTROL_MASK);
+ bool wheelzooms = prefs->getBool("/options/wheelzooms/value");
+ int const wheel_scroll = prefs->getIntLimited(
+ "/options/wheelscroll/value", 40, 0, 1000);
+
+ /* shift + wheel, pan left--right */
+ if (event->scroll.state & GDK_SHIFT_MASK) {
+ switch (event->scroll.direction) {
+ case GDK_SCROLL_UP:
+ desktop->scroll_world(wheel_scroll, 0);
+ break;
+ case GDK_SCROLL_DOWN:
+ desktop->scroll_world(-wheel_scroll, 0);
+ break;
+ default:
+ break;
+ }
- /* ctrl + wheel, zoom in--out */
- } else if ((ctrl && !wheelzooms) || (!ctrl && wheelzooms)) {
- double rel_zoom;
- switch (event->scroll.direction) {
- case GDK_SCROLL_UP:
- rel_zoom = zoom_inc;
- break;
- case GDK_SCROLL_DOWN:
- rel_zoom = 1 / zoom_inc;
- break;
- default:
- rel_zoom = 0.0;
- break;
- }
- if (rel_zoom != 0.0) {
- Geom::Point const scroll_dt = desktop->point();
- desktop->zoom_relative_keep_point(scroll_dt, rel_zoom);
- }
+ /* ctrl + wheel, zoom in--out */
+ } else if ((ctrl && !wheelzooms) || (!ctrl && wheelzooms)) {
+ double rel_zoom;
+ double const zoom_inc = prefs->getDoubleLimited(
+ "/options/zoomincrement/value", M_SQRT2, 1.01, 10);
+ switch (event->scroll.direction) {
+ case GDK_SCROLL_UP:
+ rel_zoom = zoom_inc;
+ break;
+ case GDK_SCROLL_DOWN:
+ rel_zoom = 1 / zoom_inc;
+ break;
+ default:
+ rel_zoom = 0.0;
+ break;
+ }
+ if (rel_zoom != 0.0) {
+ Geom::Point const scroll_dt = desktop->point();
+ desktop->zoom_relative_keep_point(scroll_dt, rel_zoom);
+ }
- /* no modifier, pan up--down (left--right on multiwheel mice?) */
- } else {
- switch (event->scroll.direction) {
- case GDK_SCROLL_UP:
- desktop->scroll_world(0, wheel_scroll);
- break;
- case GDK_SCROLL_DOWN:
- desktop->scroll_world(0, -wheel_scroll);
- break;
- case GDK_SCROLL_LEFT:
- desktop->scroll_world(wheel_scroll, 0);
- break;
- case GDK_SCROLL_RIGHT:
- desktop->scroll_world(-wheel_scroll, 0);
- break;
- }
+ /* no modifier, pan up--down (left--right on multiwheel mice?) */
+ } else {
+ switch (event->scroll.direction) {
+ case GDK_SCROLL_UP:
+ desktop->scroll_world(0, wheel_scroll);
+ break;
+ case GDK_SCROLL_DOWN:
+ desktop->scroll_world(0, -wheel_scroll);
+ break;
+ case GDK_SCROLL_LEFT:
+ desktop->scroll_world(wheel_scroll, 0);
+ break;
+ case GDK_SCROLL_RIGHT:
+ desktop->scroll_world(-wheel_scroll, 0);
+ break;
}
- break;
}
- default:
- break;
+ break;
+ }
+ default:
+ break;
}
return ret;
@@ -720,39 +752,50 @@ static gint sp_event_context_private_root_handler(SPEventContext *event_context,
* Only reacts to right mouse button at the moment.
* \todo Fixme: do context sensitive popup menu on items.
*/
-gint
-sp_event_context_private_item_handler(SPEventContext *ec, SPItem *item, GdkEvent *event)
-{
+gint sp_event_context_private_item_handler(SPEventContext *ec, SPItem *item,
+ GdkEvent *event) {
int ret = FALSE;
switch (event->type) {
- case GDK_BUTTON_PRESS:
- if ((event->button.button == 3)
- && !(event->button.state & GDK_SHIFT_MASK || event->button.state & GDK_CONTROL_MASK)) {
- sp_event_root_menu_popup(ec->desktop, item, event);
- ret = TRUE;
- }
- break;
- default:
- break;
+ case GDK_BUTTON_PRESS:
+ if ((event->button.button == 3) && !(event->button.state
+ & GDK_SHIFT_MASK || event->button.state & GDK_CONTROL_MASK)) {
+ sp_event_root_menu_popup(ec->desktop, item, event);
+ ret = TRUE;
+ }
+ break;
+ default:
+ break;
}
return ret;
}
+/**
+ * @brief: Returns true if we're hovering above a knot (needed because we don't want to pre-snap in that case)
+ */
+
+bool sp_event_context_knot_mouseover(SPEventContext *ec)
+{
+ if (ec->shape_editor) {
+ return ec->shape_editor->knot_mouseover();
+ }
+
+ return false;
+}
+
/**
* @brief An observer that relays pref changes to the derived classes
*/
-class ToolPrefObserver : public Inkscape::Preferences::Observer {
+class ToolPrefObserver: public Inkscape::Preferences::Observer {
public:
ToolPrefObserver(Glib::ustring const &path, SPEventContext *ec) :
- Inkscape::Preferences::Observer(path),
- _ec(ec) {}
- virtual void notify(Inkscape::Preferences::Entry const &val)
- {
+ Inkscape::Preferences::Observer(path), _ec(ec) {
+ }
+ virtual void notify(Inkscape::Preferences::Entry const &val) {
if (((SPEventContextClass *) G_OBJECT_GET_CLASS(_ec))->set) {
((SPEventContextClass *) G_OBJECT_GET_CLASS(_ec))->set(_ec,
- const_cast<Inkscape::Preferences::Entry*>(&val));
+ const_cast<Inkscape::Preferences::Entry*> (&val));
}
}
private:
* @todo This is bogus. pref_path should be a private property of the inheriting objects.
*/
SPEventContext *
-sp_event_context_new(GType type, SPDesktop *desktop, gchar const *pref_path, unsigned int key)
-{
+sp_event_context_new(GType type, SPDesktop *desktop, gchar const *pref_path,
+ unsigned int key) {
g_return_val_if_fail(g_type_is_a(type, SP_TYPE_EVENT_CONTEXT), NULL);
g_return_val_if_fail(desktop != NULL, NULL);
- SPEventContext *const ec = (SPEventContext*)g_object_new(type, NULL);
+ SPEventContext * const ec = (SPEventContext*) g_object_new(type, NULL);
ec->desktop = desktop;
- ec->_message_context = new Inkscape::MessageContext(desktop->messageStack());
+ ec->_message_context
+ = new Inkscape::MessageContext(desktop->messageStack());
ec->key = key;
ec->pref_observer = NULL;
@@ -792,9 +836,7 @@ sp_event_context_new(GType type, SPDesktop *desktop, gchar const *pref_path, uns
/**
* Finishes SPEventContext.
*/
-void
-sp_event_context_finish(SPEventContext *ec)
-{
+void sp_event_context_finish(SPEventContext *ec) {
g_return_if_fail(ec != NULL);
g_return_if_fail(SP_IS_EVENT_CONTEXT(ec));
/**
* Calls virtual set() function of SPEventContext.
*/
-void
-sp_event_context_read(SPEventContext *ec, gchar const *key)
-{
+void sp_event_context_read(SPEventContext *ec, gchar const *key) {
g_return_if_fail(ec != NULL);
g_return_if_fail(SP_IS_EVENT_CONTEXT(ec));
g_return_if_fail(key != NULL);
if (((SPEventContextClass *) G_OBJECT_GET_CLASS(ec))->set) {
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
Inkscape::Preferences::Entry val = prefs->getEntry(
- ec->pref_observer->observed_path + '/' + key );
+ ec->pref_observer->observed_path + '/' + key);
((SPEventContextClass *) G_OBJECT_GET_CLASS(ec))->set(ec, &val);
}
}
/**
* Calls virtual activate() function of SPEventContext.
*/
-void
-sp_event_context_activate(SPEventContext *ec)
-{
+void sp_event_context_activate(SPEventContext *ec) {
g_return_if_fail(ec != NULL);
g_return_if_fail(SP_IS_EVENT_CONTEXT(ec));
// Make sure no delayed snapping events are carried over after switching contexts
// (this is only an additional safety measure against sloppy coding, because each
- // context should take care of this by itself. It might be hard to get each and every
- // context perfect though)
- sp_event_context_snap_window_closed(ec, false);
+ // context should take care of this by itself.
+ sp_event_context_discard_delayed_snap_event(ec);
if (((SPEventContextClass *) G_OBJECT_GET_CLASS(ec))->activate)
((SPEventContextClass *) G_OBJECT_GET_CLASS(ec))->activate(ec);
/**
* Calls virtual deactivate() function of SPEventContext.
*/
-void
-sp_event_context_deactivate(SPEventContext *ec)
-{
+void sp_event_context_deactivate(SPEventContext *ec) {
g_return_if_fail(ec != NULL);
g_return_if_fail(SP_IS_EVENT_CONTEXT(ec));
/**
* Calls virtual root_handler(), the main event handling function.
*/
-gint
-sp_event_context_root_handler(SPEventContext * event_context, GdkEvent * event)
+gint sp_event_context_root_handler(SPEventContext * event_context,
+ GdkEvent * event)
{
- //std::cout << "sp_event_context_root_handler" << std::endl;
- switch (event->type) {
- case GDK_MOTION_NOTIFY:
- sp_event_context_snap_delay_handler(event_context, NULL, NULL, (GdkEventMotion *)event, DelayedSnapEvent::EVENTCONTEXT_ROOT_HANDLER);
- break;
- case GDK_BUTTON_RELEASE:
- sp_event_context_snap_watchdog_callback(event_context->_delayed_snap_event); // If we have any pending snapping action, then invoke it now
- break;
- case GDK_BUTTON_PRESS:
- case GDK_2BUTTON_PRESS:
- case GDK_3BUTTON_PRESS:
- // Snapping will be on hold if we're moving the mouse at high speeds. When starting
- // drawing a new shape we really should snap though.
- event_context->desktop->namedview->snap_manager.snapprefs.setSnapPostponedGlobally(false);
- break;
- default:
- break;
+ switch (event->type) {
+ case GDK_MOTION_NOTIFY:
+ sp_event_context_snap_delay_handler(event_context, NULL, NULL,
+ (GdkEventMotion *) event,
+ DelayedSnapEvent::EVENTCONTEXT_ROOT_HANDLER);
+ break;
+ case GDK_BUTTON_RELEASE:
+ if (event_context->_delayed_snap_event) {
+ // If we have any pending snapping action, then invoke it now
+ sp_event_context_snap_watchdog_callback(
+ event_context->_delayed_snap_event);
+ }
+ break;
+ case GDK_BUTTON_PRESS:
+ case GDK_2BUTTON_PRESS:
+ case GDK_3BUTTON_PRESS:
+ // Snapping will be on hold if we're moving the mouse at high speeds. When starting
+ // drawing a new shape we really should snap though.
+ event_context->desktop->namedview->snap_manager.snapprefs.setSnapPostponedGlobally(
+ false);
+ break;
+ default:
+ break;
}
return sp_event_context_virtual_root_handler(event_context, event);
}
-gint
-sp_event_context_virtual_root_handler(SPEventContext * event_context, GdkEvent * event)
-{
- //std::cout << "sp_event_context_virtual_root_handler -> postponed: " << event_context->desktop->namedview->snap_manager.snapprefs.getSnapPostponedGlobally() << std::endl;
-
- gint ret = ((SPEventContextClass *) G_OBJECT_GET_CLASS(event_context))->root_handler(event_context, event);
- set_event_location(event_context->desktop, event);
- return ret;
+gint sp_event_context_virtual_root_handler(SPEventContext * event_context, GdkEvent * event) {
+ gint ret = false;
+ if (event_context) { // If no event-context is available then do nothing, otherwise Inkscape would crash
+ // (see the comment in SPDesktop::set_event_context, and bug LP #622350)
+ ret = ((SPEventContextClass *) G_OBJECT_GET_CLASS(event_context))->root_handler(event_context, event);
+ set_event_location(event_context->desktop, event);
+ }
+ return ret;
}
/**
* Calls virtual item_handler(), the item event handling function.
*/
-gint
-sp_event_context_item_handler(SPEventContext * event_context, SPItem * item, GdkEvent * event)
-{
- //std::cout << "sp_event_context_item_handler" << std::endl;
- switch (event->type) {
- case GDK_MOTION_NOTIFY:
- sp_event_context_snap_delay_handler(event_context, item, NULL, (GdkEventMotion *)event, DelayedSnapEvent::EVENTCONTEXT_ITEM_HANDLER);
- break;
- case GDK_BUTTON_RELEASE:
- sp_event_context_snap_watchdog_callback(event_context->_delayed_snap_event); // If we have any pending snapping action, then invoke it now
- break;
- /*case GDK_BUTTON_PRESS:
- case GDK_2BUTTON_PRESS:
- case GDK_3BUTTON_PRESS:
- // Snapping will be on hold if we're moving the mouse at high speeds. When starting
- // drawing a new shape we really should snap though.
- event_context->desktop->namedview->snap_manager.snapprefs.setSnapPostponedGlobally(false);
- break;
- */
- default:
- break;
- }
+gint sp_event_context_item_handler(SPEventContext * event_context,
+ SPItem * item, GdkEvent * event) {
+ switch (event->type) {
+ case GDK_MOTION_NOTIFY:
+ sp_event_context_snap_delay_handler(event_context, (gpointer) item, NULL, (GdkEventMotion *) event, DelayedSnapEvent::EVENTCONTEXT_ITEM_HANDLER);
+ break;
+ case GDK_BUTTON_RELEASE:
+ if (event_context->_delayed_snap_event) {
+ // If we have any pending snapping action, then invoke it now
+ sp_event_context_snap_watchdog_callback(event_context->_delayed_snap_event);
+ }
+ break;
+ case GDK_BUTTON_PRESS:
+ case GDK_2BUTTON_PRESS:
+ case GDK_3BUTTON_PRESS:
+ // Snapping will be on hold if we're moving the mouse at high speeds. When starting
+ // drawing a new shape we really should snap though.
+ event_context->desktop->namedview->snap_manager.snapprefs.setSnapPostponedGlobally(false);
+ break;
+ default:
+ break;
+ }
return sp_event_context_virtual_item_handler(event_context, item, event);
}
-gint
-sp_event_context_virtual_item_handler(SPEventContext * event_context, SPItem * item, GdkEvent * event)
-{
- gint ret = ((SPEventContextClass *) G_OBJECT_GET_CLASS(event_context))->item_handler(event_context, item, event);
-
- if (! ret) {
- ret = sp_event_context_virtual_root_handler(event_context, event);
- } else {
- set_event_location(event_context->desktop, event);
- }
+gint sp_event_context_virtual_item_handler(SPEventContext * event_context, SPItem * item, GdkEvent * event) {
+ gint ret = false;
+ if (event_context) { // If no event-context is available then do nothing, otherwise Inkscape would crash
+ // (see the comment in SPDesktop::set_event_context, and bug LP #622350)
+ ret = ((SPEventContextClass *) G_OBJECT_GET_CLASS(event_context))->item_handler(event_context, item, event);
+ if (!ret) {
+ ret = sp_event_context_virtual_root_handler(event_context, event);
+ } else {
+ set_event_location(event_context->desktop, event);
+ }
+ }
- return ret;
+ return ret;
}
/**
* Emits 'position_set' signal on desktop and shows coordinates on status bar.
*/
-static void set_event_location(SPDesktop *desktop, GdkEvent *event)
-{
+static void set_event_location(SPDesktop *desktop, GdkEvent *event) {
if (event->type != GDK_MOTION_NOTIFY) {
return;
}
/**
* Create popup menu and tell Gtk to show it.
*/
-void
-sp_event_root_menu_popup(SPDesktop *desktop, SPItem *item, GdkEvent *event)
-{
+void sp_event_root_menu_popup(SPDesktop *desktop, SPItem *item, GdkEvent *event) {
GtkWidget *menu;
/* fixme: This is not what I want but works for now (Lauris) */
gtk_widget_show(menu);
switch (event->type) {
- case GDK_BUTTON_PRESS:
- gtk_menu_popup(GTK_MENU(menu), NULL, NULL, 0, NULL, event->button.button, event->button.time);
- break;
- case GDK_KEY_PRESS:
- gtk_menu_popup(GTK_MENU(menu), NULL, NULL, 0, NULL, 0, event->key.time);
- break;
- default:
- break;
+ case GDK_BUTTON_PRESS:
+ gtk_menu_popup(GTK_MENU(menu), NULL, NULL, 0, NULL,
+ event->button.button, event->button.time);
+ break;
+ case GDK_KEY_PRESS:
+ gtk_menu_popup(GTK_MENU(menu), NULL, NULL, 0, NULL, 0, event->key.time);
+ break;
+ default:
+ break;
}
}
/**
* Show tool context specific modifier tip.
*/
-void
-sp_event_show_modifier_tip(Inkscape::MessageContext *message_context,
+void sp_event_show_modifier_tip(Inkscape::MessageContext *message_context,
GdkEvent *event, gchar const *ctrl_tip, gchar const *shift_tip,
- gchar const *alt_tip)
-{
+ gchar const *alt_tip) {
guint keyval = get_group0_keyval(&event->key);
- bool ctrl = ctrl_tip && (MOD__CTRL
- || (keyval == GDK_Control_L)
- || (keyval == GDK_Control_R));
- bool shift = shift_tip
- && (MOD__SHIFT || (keyval == GDK_Shift_L) || (keyval == GDK_Shift_R));
- bool alt = alt_tip
- && (MOD__ALT
- || (keyval == GDK_Alt_L)
- || (keyval == GDK_Alt_R)
- || (keyval == GDK_Meta_L)
- || (keyval == GDK_Meta_R));
-
- gchar *tip = g_strdup_printf("%s%s%s%s%s",
- ( ctrl ? ctrl_tip : "" ),
- ( ctrl && (shift || alt) ? "; " : "" ),
- ( shift ? shift_tip : "" ),
- ( (ctrl || shift) && alt ? "; " : "" ),
- ( alt ? alt_tip : "" ));
+ bool ctrl = ctrl_tip && (MOD__CTRL || (keyval == GDK_Control_L) || (keyval
+ == GDK_Control_R));
+ bool shift = shift_tip && (MOD__SHIFT || (keyval == GDK_Shift_L) || (keyval
+ == GDK_Shift_R));
+ bool alt = alt_tip && (MOD__ALT || (keyval == GDK_Alt_L) || (keyval
+ == GDK_Alt_R) || (keyval == GDK_Meta_L) || (keyval == GDK_Meta_R));
+
+ gchar *tip = g_strdup_printf("%s%s%s%s%s", (ctrl ? ctrl_tip : ""), (ctrl
+ && (shift || alt) ? "; " : ""), (shift ? shift_tip : ""), ((ctrl
+ || shift) && alt ? "; " : ""), (alt ? alt_tip : ""));
if (strlen(tip) > 0) {
message_context->flash(Inkscape::INFORMATION_MESSAGE, tip);
* Use this instead of simply event->keyval, so that your keyboard shortcuts
* work regardless of layouts (e.g., in Cyrillic).
*/
-guint
-get_group0_keyval(GdkEventKey *event)
-{
+guint get_group0_keyval(GdkEventKey *event) {
guint keyval = 0;
- gdk_keymap_translate_keyboard_state(
- gdk_keymap_get_for_display(gdk_display_get_default()),
- event->hardware_keycode,
- (GdkModifierType) event->state,
- 0 /*event->key.group*/,
- &keyval, NULL, NULL, NULL);
+ gdk_keymap_translate_keyboard_state(gdk_keymap_get_for_display(
+ gdk_display_get_default()), event->hardware_keycode,
+ (GdkModifierType) event->state, 0 /*event->key.group*/, &keyval,
+ NULL, NULL, NULL);
return keyval;
}
* If state includes alt key mask, cyclically selects under; honors
* into_groups.
*/
-SPItem *
-sp_event_context_find_item (SPDesktop *desktop, Geom::Point const &p,
- bool select_under, bool into_groups)
+SPItem *sp_event_context_find_item(SPDesktop *desktop, Geom::Point const &p,
+ bool select_under, bool into_groups)
{
- SPItem *item;
+ SPItem *item = 0;
if (select_under) {
- SPItem *selected_at_point =
- desktop->item_from_list_at_point_bottom (desktop->selection->itemList(), p);
- item = desktop->item_at_point(p, into_groups, selected_at_point);
+ SPItem *selected_at_point = desktop->getItemFromListAtPointBottom(
+ desktop->selection->itemList(), p);
+ item = desktop->getItemAtPoint(p, into_groups, selected_at_point);
if (item == NULL) { // we may have reached bottom, flip over to the top
- item = desktop->item_at_point(p, into_groups, NULL);
+ item = desktop->getItemAtPoint(p, into_groups, NULL);
}
- } else
- item = desktop->item_at_point(p, into_groups, NULL);
+ } else {
+ item = desktop->getItemAtPoint(p, into_groups, NULL);
+ }
return item;
}
* Honors into_groups.
*/
SPItem *
-sp_event_context_over_item (SPDesktop *desktop, SPItem *item, Geom::Point const &p)
-{
+sp_event_context_over_item(SPDesktop *desktop, SPItem *item,
+ Geom::Point const &p) {
GSList *temp = NULL;
- temp = g_slist_prepend (temp, item);
- SPItem *item_at_point = desktop->item_from_list_at_point_bottom (temp, p);
- g_slist_free (temp);
+ temp = g_slist_prepend(temp, item);
+ SPItem *item_at_point = desktop->getItemFromListAtPointBottom(temp, p);
+ g_slist_free(temp);
return item_at_point;
}
ShapeEditor *
-sp_event_context_get_shape_editor (SPEventContext *ec)
-{
+sp_event_context_get_shape_editor(SPEventContext *ec) {
return ec->shape_editor;
}
-void
-event_context_print_event_info(GdkEvent *event, bool print_return) {
+void event_context_print_event_info(GdkEvent *event, bool print_return) {
switch (event->type) {
- case GDK_BUTTON_PRESS:
- g_print ("GDK_BUTTON_PRESS");
- break;
- case GDK_2BUTTON_PRESS:
- g_print ("GDK_2BUTTON_PRESS");
- break;
- case GDK_3BUTTON_PRESS:
- g_print ("GDK_3BUTTON_PRESS");
- break;
-
- case GDK_MOTION_NOTIFY:
- g_print ("GDK_MOTION_NOTIFY");
- break;
- case GDK_ENTER_NOTIFY:
- g_print ("GDK_ENTER_NOTIFY");
- break;
-
- case GDK_LEAVE_NOTIFY:
- g_print ("GDK_LEAVE_NOTIFY");
- break;
- case GDK_BUTTON_RELEASE:
- g_print ("GDK_BUTTON_RELEASE");
- break;
-
- case GDK_KEY_PRESS:
- g_print ("GDK_KEY_PRESS: %d", get_group0_keyval(&event->key));
- break;
- case GDK_KEY_RELEASE:
- g_print ("GDK_KEY_RELEASE: %d", get_group0_keyval(&event->key));
- break;
- default:
- //g_print ("even type not recognized");
- break;
+ case GDK_BUTTON_PRESS:
+ g_print("GDK_BUTTON_PRESS");
+ break;
+ case GDK_2BUTTON_PRESS:
+ g_print("GDK_2BUTTON_PRESS");
+ break;
+ case GDK_3BUTTON_PRESS:
+ g_print("GDK_3BUTTON_PRESS");
+ break;
+
+ case GDK_MOTION_NOTIFY:
+ g_print("GDK_MOTION_NOTIFY");
+ break;
+ case GDK_ENTER_NOTIFY:
+ g_print("GDK_ENTER_NOTIFY");
+ break;
+
+ case GDK_LEAVE_NOTIFY:
+ g_print("GDK_LEAVE_NOTIFY");
+ break;
+ case GDK_BUTTON_RELEASE:
+ g_print("GDK_BUTTON_RELEASE");
+ break;
+
+ case GDK_KEY_PRESS:
+ g_print("GDK_KEY_PRESS: %d", get_group0_keyval(&event->key));
+ break;
+ case GDK_KEY_RELEASE:
+ g_print("GDK_KEY_RELEASE: %d", get_group0_keyval(&event->key));
+ break;
+ default:
+ //g_print ("even type not recognized");
+ break;
}
if (print_return) {
- g_print ("\n");
+ g_print("\n");
}
}
-void sp_event_context_snap_delay_handler(SPEventContext *ec, SPItem* const item, SPKnot* const knot, GdkEventMotion *event, DelayedSnapEvent::DelayedSnapEventOrigin origin)
+/**
+ * \brief Analyses the current event, calculates the mouse speed, turns snapping off (temporarily) if the
+ * mouse speed is above a threshold, and stores the current event such that it can be re-triggered when needed
+ * (re-triggering is controlled by a watchdog timer)
+ *
+ * \param ec Pointer to the event context
+ * \param dse_item Pointer that store a reference to a canvas or to an item
+ * \param dse_item2 Another pointer, storing a reference to a knot or controlpoint
+ * \param event Pointer to the motion event
+ * \param origin Identifier (enum) specifying where the delay (and the call to this method) were initiated
+ */
+void sp_event_context_snap_delay_handler(SPEventContext *ec,
+ gpointer const dse_item, gpointer const dse_item2, GdkEventMotion *event,
+ DelayedSnapEvent::DelayedSnapEventOrigin origin)
{
- static guint32 prev_time;
- static boost::optional<Geom::Point> prev_pos;
+ static guint32 prev_time;
+ static boost::optional<Geom::Point> prev_pos;
- // Snapping occurs when dragging with the left mouse button down, or when hovering e.g. in the pen tool with left mouse button up
+ if (ec->_dse_callback_in_process) {
+ return;
+ }
+
+ // Snapping occurs when dragging with the left mouse button down, or when hovering e.g. in the pen tool with left mouse button up
bool const c1 = event->state & GDK_BUTTON2_MASK; // We shouldn't hold back any events when other mouse buttons have been
bool const c2 = event->state & GDK_BUTTON3_MASK; // pressed, e.g. when scrolling with the middle mouse button; if we do then
- // Inkscape will get stuck in an unresponsive state
-
- if (ec->_snap_window_open && !c1 && !c2 && ec->desktop && ec->desktop->namedview->snap_manager.snapprefs.getSnapEnabledGlobally()) {
- // Snap when speed drops below e.g. 0.02 px/msec, or when no motion events have occurred for some period.
- // i.e. snap when we're at stand still. A speed threshold enforces snapping for tablets, which might never
- // be fully at stand still and might keep spitting out motion events.
- ec->desktop->namedview->snap_manager.snapprefs.setSnapPostponedGlobally(true); // put snapping on hold
-
- Geom::Point event_pos(event->x, event->y);
- guint32 event_t = gdk_event_get_time ( (GdkEvent *) event );
-
- if (prev_pos) {
- Geom::Coord dist = Geom::L2(event_pos - *prev_pos);
- guint32 delta_t = event_t - prev_time;
- gdouble speed = delta_t > 0 ? dist/delta_t : 1000;
- //std::cout << "Mouse speed = " << speed << " px/msec " << std::endl;
- if (speed > 0.02) { // Jitter threshold, might be needed for tablets
- // We're moving fast, so postpone any snapping until the next GDK_MOTION_NOTIFY event. We
- // will keep on postponing the snapping as long as the speed is high.
- // We must snap at some point in time though, so set a watchdog timer at some time from
- // now, just in case there's no future motion event that drops under the speed limit (when
- // stopping abruptly)
- delete ec->_delayed_snap_event;
- ec->_delayed_snap_event = new DelayedSnapEvent(ec, item, knot, event, origin); // watchdog is reset, i.e. pushed forward in time
- // If the watchdog expires before a new motion event is received, we will snap (as explained
- // above). This means however that when the timer is too short, we will always snap and that the
- // speed threshold is ineffective. In the extreme case the delay is set to zero, and snapping will
- // be immediate, as it used to be in the old days ;-).
- } else { // Speed is very low, so we're virtually at stand still
- // But if we're really standing still, then we should snap now. We could use some low-pass filtering,
- // otherwise snapping occurs for each jitter movement. For this filtering we'll leave the watchdog to expire,
- // snap, and set a new watchdog again.
- if (ec->_delayed_snap_event == NULL) { // no watchdog has been set
- // it might have already expired, so we'll set a new one; the snapping frequency will be limited by this
- ec->_delayed_snap_event = new DelayedSnapEvent(ec, item, knot, event, origin);
- } // else: watchdog has been set before and we'll wait for it to expire
- }
- } else {
- // This is the first GDK_MOTION_NOTIFY event, so postpone snapping and set the watchdog
- g_assert(ec->_delayed_snap_event == NULL);
- ec->_delayed_snap_event = new DelayedSnapEvent(ec, item, knot, event, origin);
- }
-
- prev_pos = event_pos;
- prev_time = event_t;
- }
-}
+ // Inkscape will get stuck in an unresponsive state
+ bool const c3 = tools_isactive(ec->desktop, TOOLS_CALLIGRAPHIC);
+ // The snap delay will repeat the last motion event, which will lead to
+ // erroneous points in the calligraphy context. And because we don't snap
+ // in this context, we might just as well disable the snap delay all together
+
+ if (c1 || c2 || c3) {
+ // Make sure that we don't send any pending snap events to a context if we know in advance
+ // that we're not going to snap any way (e.g. while scrolling with middle mouse button)
+ // Any motion event might affect the state of the context, leading to unexpected behavior
+ sp_event_context_discard_delayed_snap_event(ec);
+ } else if (ec->desktop
+ && ec->desktop->namedview->snap_manager.snapprefs.getSnapEnabledGlobally()) {
+ // Snap when speed drops below e.g. 0.02 px/msec, or when no motion events have occurred for some period.
+ // i.e. snap when we're at stand still. A speed threshold enforces snapping for tablets, which might never
+ // be fully at stand still and might keep spitting out motion events.
+ ec->desktop->namedview->snap_manager.snapprefs.setSnapPostponedGlobally(true); // put snapping on hold
+
+ Geom::Point event_pos(event->x, event->y);
+ guint32 event_t = gdk_event_get_time((GdkEvent *) event);
+
+ if (prev_pos) {
+ Geom::Coord dist = Geom::L2(event_pos - *prev_pos);
+ guint32 delta_t = event_t - prev_time;
+ gdouble speed = delta_t > 0 ? dist / delta_t : 1000;
+ //std::cout << "Mouse speed = " << speed << " px/msec " << std::endl;
+ if (speed > 0.02) { // Jitter threshold, might be needed for tablets
+ // We're moving fast, so postpone any snapping until the next GDK_MOTION_NOTIFY event. We
+ // will keep on postponing the snapping as long as the speed is high.
+ // We must snap at some point in time though, so set a watchdog timer at some time from
+ // now, just in case there's no future motion event that drops under the speed limit (when
+ // stopping abruptly)
+ delete ec->_delayed_snap_event;
+ ec->_delayed_snap_event = new DelayedSnapEvent(ec, dse_item, dse_item2,
+ event, origin); // watchdog is reset, i.e. pushed forward in time
+ // If the watchdog expires before a new motion event is received, we will snap (as explained
+ // above). This means however that when the timer is too short, we will always snap and that the
+ // speed threshold is ineffective. In the extreme case the delay is set to zero, and snapping will
+ // be immediate, as it used to be in the old days ;-).
+ } else { // Speed is very low, so we're virtually at stand still
+ // But if we're really standing still, then we should snap now. We could use some low-pass filtering,
+ // otherwise snapping occurs for each jitter movement. For this filtering we'll leave the watchdog to expire,
+ // snap, and set a new watchdog again.
+ if (ec->_delayed_snap_event == NULL) { // no watchdog has been set
+ // it might have already expired, so we'll set a new one; the snapping frequency will be limited this way
+ ec->_delayed_snap_event = new DelayedSnapEvent(ec, dse_item,
+ dse_item2, event, origin);
+ } // else: watchdog has been set before and we'll wait for it to expire
+ }
+ } else {
+ // This is the first GDK_MOTION_NOTIFY event, so postpone snapping and set the watchdog
+ g_assert(ec->_delayed_snap_event == NULL);
+ ec->_delayed_snap_event = new DelayedSnapEvent(ec, dse_item, dse_item2,
+ event, origin);
+ }
-gboolean sp_event_context_snap_watchdog_callback(gpointer data)
-{
- // Snap NOW! For this the "postponed" flag will be reset and the last motion event will be repeated
- DelayedSnapEvent *dse = reinterpret_cast<DelayedSnapEvent*>(data);
-
- if (dse == NULL) {
- // This might occur when this method is called directly, i.e. not through the timer
- // E.g. on GDK_BUTTON_RELEASE in sp_event_context_root_handler()
- return FALSE;
- }
-
- SPEventContext *ec = dse->getEventContext();
- if (ec == NULL || ec->desktop == NULL) {
- return false;
- }
-
- SPDesktop *dt = ec->desktop;
- dt->namedview->snap_manager.snapprefs.setSnapPostponedGlobally(false);
-
- switch (dse->getOrigin()) {
- case DelayedSnapEvent::EVENTCONTEXT_ROOT_HANDLER:
- sp_event_context_virtual_root_handler(ec, dse->getEvent());
- break;
- case DelayedSnapEvent::EVENTCONTEXT_ITEM_HANDLER:
- g_assert(dse->getItem() != NULL);
- sp_event_context_virtual_item_handler(ec, dse->getItem(), dse->getEvent());
- break;
- case DelayedSnapEvent::KNOT_HANDLER:
- g_assert(dse->getKnot() != NULL);
- sp_knot_handler_request_position(dse->getEvent(), dse->getKnot());
- break;
- default:
- g_warning("Origin of snap-delay event has not been defined!;");
- break;
- }
-
- ec->_delayed_snap_event = NULL;
- delete dse;
-
- return FALSE; //Kills the timer and stops it from executing this callback over and over again.
+ prev_pos = event_pos;
+ prev_time = event_t;
+ }
}
-void sp_event_context_snap_window_open(SPEventContext *ec, bool show_debug_warnings)
-{
- // Only when ec->_snap_window_open has been set, Inkscape will know that snapping is active
- // and will delay any snapping events (but only when asked to through the preferences)
-
- // When snapping is being delayed, then that will also mean that at some point the last event
- // might be re-triggered. This should only occur when Inkscape is still in the same tool or context,
- // and even more specifically, the tool should even be in the same state. If for example snapping is being delayed while
- // creating a rectangle, then the rect-context will be active and it will be in the "dragging" state
- // (see the static boolean variable "dragging" in the sp_rect_context_root_handler). The procedure is
- // as follows: call sp_event_context_snap_window_open(*, TRUE) when entering the "dragging" state, which will delay
- // snapping from that moment on, and call sp_event_context_snap_window_open(*, FALSE) when leaving the "dragging"
- // state. This last call will also make sure that any pending snap events will be canceled.
-
- //std::cout << "sp_event_context_snap_window_open" << std::endl;
- if (!ec) {
- if (show_debug_warnings) {
- g_warning("sp_event_context_snap_window_open() has been called without providing an event context!");
- }
- return;
- }
-
- if (ec->_snap_window_open == true && show_debug_warnings) {
- g_warning("Snap window was already open! This is a bug, please report it.");
- }
-
- ec->_snap_window_open = true;
-}
+/**
+ * \brief When the snap delay watchdog timer barks, this method will be called and will re-inject the last motion
+ * event in an appropriate place, with snapping being turned on again
+ */
+gboolean sp_event_context_snap_watchdog_callback(gpointer data) {
+ // Snap NOW! For this the "postponed" flag will be reset and the last motion event will be repeated
+ DelayedSnapEvent *dse = reinterpret_cast<DelayedSnapEvent*> (data);
+
+ if (dse == NULL) {
+ // This might occur when this method is called directly, i.e. not through the timer
+ // E.g. on GDK_BUTTON_RELEASE in sp_event_context_root_handler()
+ return FALSE;
+ }
-void sp_event_context_snap_window_closed(SPEventContext *ec, bool show_debug_warnings)
-{
- //std::cout << "sp_event_context_snap_window_closed" << std::endl;
- if (!ec) {
- if (show_debug_warnings) {
- g_warning("sp_event_context_snap_window_closed() has been called without providing an event context!");
- }
- return;
- }
-
- if (ec->_snap_window_open == false && show_debug_warnings) {
- g_warning("Snap window was already closed! This is a bug, please report it.");
- }
-
- ec->_snap_window_open = false;
-
- delete ec->_delayed_snap_event;
- ec->_delayed_snap_event = NULL;
-}
+ SPEventContext *ec = dse->getEventContext();
+ if (ec == NULL || ec->desktop == NULL) {
+ return false;
+ }
+ ec->_dse_callback_in_process = true;
+
+ SPDesktop *dt = ec->desktop;
+ dt->namedview->snap_manager.snapprefs.setSnapPostponedGlobally(false);
+
+ // Depending on where the delayed snap event originated from, we will inject it back at it's origin
+ // The switch below takes care of that and prepares the relevant parameters
+ switch (dse->getOrigin()) {
+ case DelayedSnapEvent::EVENTCONTEXT_ROOT_HANDLER:
+ sp_event_context_virtual_root_handler(ec, dse->getEvent());
+ break;
+ case DelayedSnapEvent::EVENTCONTEXT_ITEM_HANDLER: {
+ SPItem* item = NULL;
+ item = SP_ITEM(dse->getItem());
+ if (item && SP_IS_ITEM(item)) {
+ sp_event_context_virtual_item_handler(ec, item, dse->getEvent());
+ }
+ }
+ break;
+ case DelayedSnapEvent::KNOT_HANDLER: {
+ SPKnot* knot = SP_KNOT(dse->getItem2());
+ if (knot && SP_IS_KNOT(knot)) {
+ sp_knot_handler_request_position(dse->getEvent(), knot);
+ }
+ }
+ break;
+ case DelayedSnapEvent::CONTROL_POINT_HANDLER: {
+ using Inkscape::UI::ControlPoint;
+ ControlPoint *point = reinterpret_cast<ControlPoint*> (dse->getItem2());
+ point->_eventHandler(dse->getEvent());
+ }
+ break;
+ case DelayedSnapEvent::GUIDE_HANDLER: {
+ gpointer item = dse->getItem();
+ gpointer item2 = dse->getItem2();
+ if (item && item2) {
+ g_assert(SP_IS_CANVAS_ITEM(item));
+ g_assert(SP_IS_GUIDE(item2));
+ sp_dt_guide_event(SP_CANVAS_ITEM(item), dse->getEvent(), item2);
+ }
+ }
+ break;
+ case DelayedSnapEvent::GUIDE_HRULER:
+ case DelayedSnapEvent::GUIDE_VRULER: {
+ gpointer item = dse->getItem();
+ gpointer item2 = dse->getItem2();
+ if (item && item2) {
+ g_assert(GTK_IS_WIDGET(item));
+ g_assert(SP_IS_DESKTOP_WIDGET(item2));
+ if (dse->getOrigin() == DelayedSnapEvent::GUIDE_HRULER) {
+ sp_dt_hruler_event(GTK_WIDGET(item), dse->getEvent(), SP_DESKTOP_WIDGET(item2));
+ } else {
+ sp_dt_vruler_event(GTK_WIDGET(item), dse->getEvent(), SP_DESKTOP_WIDGET(item2));
+ }
+ }
+ }
+ break;
+ default:
+ g_warning("Origin of snap-delay event has not been defined!;");
+ break;
+ }
+
+ ec->_delayed_snap_event = NULL;
+ delete dse;
+
+ ec->_dse_callback_in_process = false;
+ return FALSE; //Kills the timer and stops it from executing this callback over and over again.
+}
+void sp_event_context_discard_delayed_snap_event(SPEventContext *ec) {
+ delete ec->_delayed_snap_event;
+ ec->_delayed_snap_event = NULL;
+ ec->desktop->namedview->snap_manager.snapprefs.setSnapPostponedGlobally(false);
+}
/*
- 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 :
+ 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:fileencoding=utf-8:textwidth=99 :