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sdgui: make Ctrl+click put hovered word in search

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This commit is contained in:
Přemysl Eric Janouch
2022-09-03 21:10:39 +02:00
parent 832842bf81
commit ded899933c
3 changed files with 384 additions and 180 deletions
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2
README.adoc
View File

@@ -96,7 +96,7 @@ should be addressed before including the software in regular Linux and/or
BSD distributions:
- The tab bar doesn't handle overflows well in the TUI.
- The GUI has a few usability issues, and is awkward to configure.
- The GUI is awkward to configure.
- Lacking configuration, standard StarDict locations should be scanned.
Given all issues with the file format, it might be better to start anew.

11
src/sdgui.c
View File

@@ -127,6 +127,15 @@ on_changed (G_GNUC_UNUSED GtkWidget *widget, G_GNUC_UNUSED gpointer data)
search (g_ptr_array_index (g.dictionaries, g.dictionary));
}
static void
on_send (G_GNUC_UNUSED StardictView *view,
const char *word, G_GNUC_UNUSED gpointer data)
{
GtkEntryBuffer *buf = gtk_entry_get_buffer (GTK_ENTRY (g.entry));
gtk_entry_buffer_set_text (buf, word, -1);
gtk_editable_select_region (GTK_EDITABLE (g.entry), 0, -1);
}
static void
on_selection_received (G_GNUC_UNUSED GtkClipboard *clipboard, const gchar *text,
G_GNUC_UNUSED gpointer data)
@@ -529,6 +538,8 @@ main (int argc, char *argv[])
gtk_drag_dest_add_uri_targets (g.view);
g_signal_connect (g.view, "drag-data-received",
G_CALLBACK (on_drag_data_received), NULL);
g_signal_connect (g.view, "send",
G_CALLBACK (on_send), NULL);
gtk_widget_show_all (g.window);
gtk_main ();

551
src/stardict-view.c
View File

@@ -149,15 +149,51 @@ struct view_entry_render_ctx
PangoLayout *selection_layout;
int selection_begin;
int selection_end;
PangoLayout *hover_layout;
int hover_begin;
int hover_end;
};
static PangoLayout *
view_entry_adjust_layout (ViewEntryRenderCtx *ctx, PangoLayout *layout)
{
if (layout != ctx->hover_layout)
return g_object_ref (layout);
layout = pango_layout_copy (layout);
PangoAttrList *attrs = pango_layout_get_attributes (layout);
attrs = attrs
? pango_attr_list_copy (attrs)
: pango_attr_list_new ();
PangoAttribute *u = pango_attr_underline_new (PANGO_UNDERLINE_SINGLE);
u->start_index = ctx->hover_begin;
u->end_index = ctx->hover_end;
pango_attr_list_change (attrs, u);
PangoAttribute *uc = pango_attr_underline_color_new (0, 0, 0xffff);
uc->start_index = ctx->hover_begin;
uc->end_index = ctx->hover_end;
pango_attr_list_change (attrs, uc);
PangoAttribute *c = pango_attr_foreground_new (0, 0, 0xffff);
c->start_index = ctx->hover_begin;
c->end_index = ctx->hover_end;
pango_attr_list_change (attrs, c);
pango_layout_set_attributes (layout, attrs);
pango_attr_list_unref (attrs);
return layout;
}
static void
view_entry_render (ViewEntryRenderCtx *ctx, gdouble x, gdouble y,
PangoLayout *layout)
{
gtk_render_layout (ctx->style, ctx->cr, x, y, layout);
PangoLayout *adjusted = view_entry_adjust_layout (ctx, layout);
gtk_render_layout (ctx->style, ctx->cr, x, y, adjusted);
if (layout != ctx->selection_layout)
return;
goto out;
gtk_style_context_save (ctx->style);
gtk_style_context_set_state (ctx->style, GTK_STATE_FLAG_SELECTED);
@@ -166,16 +202,18 @@ view_entry_render (ViewEntryRenderCtx *ctx, gdouble x, gdouble y,
int ranges[2] = { MIN (ctx->selection_begin, ctx->selection_end),
MAX (ctx->selection_begin, ctx->selection_end) };
cairo_region_t *region
= gdk_pango_layout_get_clip_region (layout, x, y, ranges, 1);
= gdk_pango_layout_get_clip_region (adjusted, x, y, ranges, 1);
gdk_cairo_region (ctx->cr, region);
cairo_clip (ctx->cr);
cairo_region_destroy (region);
gtk_render_background (ctx->style, ctx->cr, 0, 0, ctx->width, ctx->height);
gtk_render_layout (ctx->style, ctx->cr, x, y, layout);
gtk_render_layout (ctx->style, ctx->cr, x, y, adjusted);
cairo_restore (ctx->cr);
gtk_style_context_restore (ctx->style);
out:
g_object_unref (adjusted);
}
static gint
@@ -272,6 +310,10 @@ struct _StardictView
GWeakRef selection; ///< Selected PangoLayout, if any
int selection_begin; ///< Start index within `selection`
int selection_end; ///< End index within `selection`
GWeakRef hover; ///< Hovered PangoLayout, if any
int hover_begin; ///< Word start index within `hover`
int hover_end; ///< Word end index within `hover`
};
static ViewEntry *
@@ -283,6 +325,23 @@ make_entry (StardictView *self, StardictIterator *iterator)
return ve;
}
static void
reset_hover (StardictView *self)
{
GtkWidget *widget = GTK_WIDGET (self);
PangoLayout *hover = g_weak_ref_get (&self->hover);
if (hover)
{
g_object_unref (hover);
g_weak_ref_set (&self->hover, NULL);
self->hover_begin = self->hover_end = -1;
gtk_widget_queue_draw (widget);
}
if (gtk_widget_get_realized (widget))
gdk_window_set_cursor (gtk_widget_get_window (widget), NULL);
}
static void
adjust_for_height (StardictView *self)
{
@@ -314,15 +373,16 @@ adjust_for_height (StardictView *self)
}
g_object_unref (iterator);
self->entries = g_list_concat (self->entries, g_list_reverse (append));
gtk_widget_queue_draw (widget);
// Also handling this for adjust_for_offset(), which calls this.
PangoLayout *selection = g_weak_ref_get (&self->selection);
if (selection)
g_object_unref (selection);
else
self->selection_begin = self->selection_end = -1;
reset_hover (self);
self->entries = g_list_concat (self->entries, g_list_reverse (append));
gtk_widget_queue_draw (widget);
}
static void
@@ -378,6 +438,7 @@ reload (StardictView *self)
// For consistency, and the check in make_context_menu()
self->selection_begin = self->selection_end = -1;
reset_hover (self);
if (gtk_widget_get_realized (widget) && self->dict)
adjust_for_height (self);
@@ -393,131 +454,7 @@ natural_row_size (GtkWidget *widget)
return height;
}
// --- Boilerplate -------------------------------------------------------------
G_DEFINE_TYPE (StardictView, stardict_view, GTK_TYPE_WIDGET)
static void
stardict_view_finalize (GObject *gobject)
{
StardictView *self = STARDICT_VIEW (gobject);
g_clear_object (&self->dict);
g_list_free_full (self->entries, (GDestroyNotify) view_entry_destroy);
self->entries = NULL;
g_object_unref (self->selection_gesture);
g_weak_ref_clear (&self->selection);
g_free (self->matched);
self->matched = NULL;
G_OBJECT_CLASS (stardict_view_parent_class)->finalize (gobject);
}
static void
stardict_view_get_preferred_height (GtkWidget *widget,
gint *minimum, gint *natural)
{
// There isn't any value that would make any real sense
if (!STARDICT_VIEW (widget)->dict)
*natural = *minimum = 0;
else
*natural = *minimum = natural_row_size (widget);
}
static void
stardict_view_get_preferred_width (GtkWidget *widget,
gint *minimum, gint *natural)
{
GtkStyleContext *style = gtk_widget_get_style_context (widget);
GtkBorder padding = view_entry_get_padding (style);
*natural = *minimum = 2 * (padding.left + 1 * padding.right);
}
static void
stardict_view_realize (GtkWidget *widget)
{
GtkAllocation allocation;
gtk_widget_get_allocation (widget, &allocation);
GdkWindowAttr attributes =
{
.window_type = GDK_WINDOW_CHILD,
.x = allocation.x,
.y = allocation.y,
.width = allocation.width,
.height = allocation.height,
// Input-only would presumably also work (as in GtkPathBar, e.g.),
// but it merely seems to involve more work.
.wclass = GDK_INPUT_OUTPUT,
.visual = gtk_widget_get_visual (widget),
.event_mask = gtk_widget_get_events (widget) | GDK_SCROLL_MASK
| GDK_SMOOTH_SCROLL_MASK | GDK_BUTTON_PRESS_MASK,
};
// We need this window to receive input events at all.
// TODO: see if we don't want GDK_WA_CURSOR for setting a text cursor
GdkWindow *window = gdk_window_new (gtk_widget_get_parent_window (widget),
&attributes, GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL);
// The default background colour of the GDK window is transparent
gtk_widget_register_window (widget, window);
gtk_widget_set_window (widget, window);
gtk_widget_set_realized (widget, TRUE);
}
static gboolean
stardict_view_draw (GtkWidget *widget, cairo_t *cr)
{
StardictView *self = STARDICT_VIEW (widget);
GtkAllocation allocation;
gtk_widget_get_allocation (widget, &allocation);
GtkStyleContext *style = gtk_widget_get_style_context (widget);
gtk_render_background (style, cr,
0, 0, allocation.width, allocation.height);
gtk_render_frame (style, cr,
0, 0, allocation.width, allocation.height);
ViewEntryRenderCtx ctx =
{
.style = style,
.cr = cr,
.width = allocation.width,
.height = 0,
.selection_layout = g_weak_ref_get (&self->selection),
.selection_begin = self->selection_begin,
.selection_end = self->selection_end,
};
gint offset = -self->top_offset;
gint i = self->top_position;
for (GList *iter = self->entries; iter; iter = iter->next)
{
// Style regions would be appropriate, if they weren't deprecated.
// GTK+ CSS gadgets/nodes are an internal API. We don't want to turn
// this widget into a container, to avoid needless complexity.
//
// gtk_style_context_{get,set}_path() may be misused by adding the same
// GType with gtk_widget_path_append_type() and changing its name
// using gtk_widget_path_iter_set_name()... but that is ugly.
gtk_style_context_save (style);
gtk_style_context_add_class (style, (i++ & 1) ? "even" : "odd");
cairo_save (cr);
cairo_translate (cr, 0, offset);
// TODO: later exclude clipped entries, but it's not that important
offset += view_entry_draw (iter->data, &ctx);
cairo_restore (cr);
gtk_style_context_restore (style);
}
g_clear_object (&ctx.selection_layout);
return TRUE;
}
// --- Figuring out where stuff is----------------------------------------------
/// Figure out which layout is at given widget coordinates, and translate them.
static PangoLayout *
@@ -590,6 +527,242 @@ layout_coords (StardictView *self, PangoLayout *layout, int *x, int *y)
return FALSE;
}
static int
layout_index_at (PangoLayout *layout, int x, int y)
{
int index = 0, trailing = 0;
(void) pango_layout_xy_to_index (layout,
x * PANGO_SCALE,
y * PANGO_SCALE,
&index,
&trailing);
const char *text = pango_layout_get_text (layout) + index;
while (trailing--)
{
int len = g_utf8_next_char (text) - text;
text += len;
index += len;
}
return index;
}
static PangoLayout *
locate_word_at (StardictView *self, int x, int y, int *beginpos, int *endpos)
{
*beginpos = -1;
*endpos = -1;
PangoLayout *layout = layout_at (self, &x, &y);
if (!layout)
return NULL;
const char *text = pango_layout_get_text (layout), *p = NULL;
const char *begin = text + layout_index_at (layout, x, y), *end = begin;
while ((p = g_utf8_find_prev_char (text, begin))
&& !g_unichar_isspace (g_utf8_get_char (p)))
begin = p;
gunichar c;
while ((c = g_utf8_get_char (end)) && !g_unichar_isspace (c))
end = g_utf8_next_char (end);
*beginpos = begin - text;
*endpos = end - text;
return layout;
}
// --- Boilerplate -------------------------------------------------------------
G_DEFINE_TYPE (StardictView, stardict_view, GTK_TYPE_WIDGET)
enum {
SEND,
LAST_SIGNAL,
};
static guint view_signals[LAST_SIGNAL];
static void
stardict_view_finalize (GObject *gobject)
{
StardictView *self = STARDICT_VIEW (gobject);
g_clear_object (&self->dict);
g_list_free_full (self->entries, (GDestroyNotify) view_entry_destroy);
self->entries = NULL;
g_object_unref (self->selection_gesture);
g_weak_ref_clear (&self->selection);
g_free (self->matched);
self->matched = NULL;
G_OBJECT_CLASS (stardict_view_parent_class)->finalize (gobject);
}
static void
stardict_view_get_preferred_height (GtkWidget *widget,
gint *minimum, gint *natural)
{
// There isn't any value that would make any real sense
if (!STARDICT_VIEW (widget)->dict)
*natural = *minimum = 0;
else
*natural = *minimum = natural_row_size (widget);
}
static void
stardict_view_get_preferred_width (GtkWidget *widget,
gint *minimum, gint *natural)
{
GtkStyleContext *style = gtk_widget_get_style_context (widget);
GtkBorder padding = view_entry_get_padding (style);
*natural = *minimum = 2 * (padding.left + 1 * padding.right);
}
static void
stardict_view_realize (GtkWidget *widget)
{
GtkAllocation allocation;
gtk_widget_get_allocation (widget, &allocation);
GdkWindowAttr attributes =
{
.window_type = GDK_WINDOW_CHILD,
.x = allocation.x,
.y = allocation.y,
.width = allocation.width,
.height = allocation.height,
// Input-only would presumably also work (as in GtkPathBar, e.g.),
// but it merely seems to involve more work.
.wclass = GDK_INPUT_OUTPUT,
.visual = gtk_widget_get_visual (widget),
.event_mask = gtk_widget_get_events (widget) | GDK_SCROLL_MASK
| GDK_SMOOTH_SCROLL_MASK | GDK_BUTTON_PRESS_MASK
| GDK_POINTER_MOTION_MASK | GDK_LEAVE_NOTIFY_MASK,
};
// We need this window to receive input events at all.
GdkWindow *window = gdk_window_new (gtk_widget_get_parent_window (widget),
&attributes, GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL);
// The default background colour of the GDK window is transparent
gtk_widget_register_window (widget, window);
gtk_widget_set_window (widget, window);
gtk_widget_set_realized (widget, TRUE);
}
static void
reset_hover_for_event (StardictView *self, guint state, int x, int y)
{
reset_hover (self);
if ((state &= gtk_accelerator_get_default_mod_mask ()) != GDK_CONTROL_MASK)
return;
g_weak_ref_set (&self->hover,
locate_word_at (self, x, y, &self->hover_begin, &self->hover_end));
gtk_widget_queue_draw (GTK_WIDGET (self));
GdkWindow *window = gtk_widget_get_window (GTK_WIDGET (self));
GdkCursor *cursor = gdk_cursor_new_from_name
(gdk_window_get_display (window), "pointer");
gdk_window_set_cursor (window, cursor);
g_object_unref (cursor);
}
static void
on_keymap_state_changed (G_GNUC_UNUSED GdkKeymap *keymap, StardictView *self)
{
GdkDisplay *display = gtk_widget_get_display (GTK_WIDGET (self));
GdkSeat *seat = gdk_display_get_default_seat (display);
GdkDevice *pointer = gdk_seat_get_pointer (seat);
int x = -1, y = -1;
GdkModifierType state = 0;
GdkWindow *window = gtk_widget_get_window (GTK_WIDGET (self));
gdk_window_get_device_position (window, pointer, &x, &y, &state);
reset_hover_for_event (self, state, x, y);
}
static void
stardict_view_map (GtkWidget *widget)
{
GTK_WIDGET_CLASS (stardict_view_parent_class)->map (widget);
GdkWindow *window = gtk_widget_get_window (widget);
GdkDisplay *display = gdk_window_get_display (window);
GdkKeymap *keymap = gdk_keymap_get_for_display (display);
g_signal_connect (keymap, "state-changed",
G_CALLBACK (on_keymap_state_changed), widget);
}
static void
stardict_view_unmap (GtkWidget *widget)
{
GdkWindow *window = gtk_widget_get_window (widget);
GdkDisplay *display = gdk_window_get_display (window);
GdkKeymap *keymap = gdk_keymap_get_for_display (display);
g_signal_handlers_disconnect_by_data (keymap, widget);
GTK_WIDGET_CLASS (stardict_view_parent_class)->unmap (widget);
}
static gboolean
stardict_view_draw (GtkWidget *widget, cairo_t *cr)
{
StardictView *self = STARDICT_VIEW (widget);
GtkAllocation allocation;
gtk_widget_get_allocation (widget, &allocation);
GtkStyleContext *style = gtk_widget_get_style_context (widget);
gtk_render_background (style, cr,
0, 0, allocation.width, allocation.height);
gtk_render_frame (style, cr,
0, 0, allocation.width, allocation.height);
ViewEntryRenderCtx ctx =
{
.style = style,
.cr = cr,
.width = allocation.width,
.height = 0,
.selection_layout = g_weak_ref_get (&self->selection),
.selection_begin = self->selection_begin,
.selection_end = self->selection_end,
.hover_layout = g_weak_ref_get (&self->hover),
.hover_begin = self->hover_begin,
.hover_end = self->hover_end,
};
gint offset = -self->top_offset;
gint i = self->top_position;
for (GList *iter = self->entries; iter; iter = iter->next)
{
// Style regions would be appropriate, if they weren't deprecated.
// GTK+ CSS gadgets/nodes are an internal API. We don't want to turn
// this widget into a container, to avoid needless complexity.
//
// gtk_style_context_{get,set}_path() may be misused by adding the same
// GType with gtk_widget_path_append_type() and changing its name
// using gtk_widget_path_iter_set_name()... but that is ugly.
gtk_style_context_save (style);
gtk_style_context_add_class (style, (i++ & 1) ? "even" : "odd");
cairo_save (cr);
cairo_translate (cr, 0, offset);
// TODO: later exclude clipped entries, but it's not that important
offset += view_entry_draw (iter->data, &ctx);
cairo_restore (cr);
gtk_style_context_restore (style);
}
g_clear_object (&ctx.selection_layout);
g_clear_object (&ctx.hover_layout);
return TRUE;
}
static void
stardict_view_size_allocate (GtkWidget *widget, GtkAllocation *allocation)
{
@@ -662,31 +835,11 @@ stardict_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
}
}
static int
layout_index_at (PangoLayout *layout, int x, int y)
{
int index = 0, trailing = 0;
(void) pango_layout_xy_to_index (layout,
x * PANGO_SCALE,
y * PANGO_SCALE,
&index,
&trailing);
const char *text = pango_layout_get_text (layout) + index;
while (trailing--)
{
int len = g_utf8_next_char(text) - text;
text += len;
index += len;
}
return index;
}
static void
publish_selection (StardictView *self, GdkAtom target)
{
PangoLayout *layout = g_weak_ref_get (&self->selection);
if (!layout || self->selection_begin == self->selection_end)
if (!layout)
return;
// Unlike GtkLabel, we don't place the selection in PRIMARY immediately.
@@ -694,7 +847,7 @@ publish_selection (StardictView *self, GdkAtom target)
int len = strlen (text),
s1 = MIN (self->selection_begin, self->selection_end),
s2 = MAX (self->selection_begin, self->selection_end);
if (s1 >= 0 && s1 <= len && s2 >= 0 && s2 <= len)
if (s1 != s2 && s1 >= 0 && s1 <= len && s2 >= 0 && s2 <= len)
gtk_clipboard_set_text (gtk_clipboard_get (target), text + s1, s2 - s1);
g_object_unref (layout);
}
@@ -702,22 +855,9 @@ publish_selection (StardictView *self, GdkAtom target)
static void
select_word_at (StardictView *self, int x, int y)
{
PangoLayout *layout = layout_at (self, &x, &y);
if (!layout)
return;
g_weak_ref_set (&self->selection, locate_word_at (self,
x, y, &self->selection_begin, &self->selection_end));
const char *text = pango_layout_get_text (layout), *p = NULL;
const char *begin = text + layout_index_at (layout, x, y), *end = begin;
while ((p = g_utf8_find_prev_char (text, begin))
&& !g_unichar_isspace (g_utf8_get_char (p)))
begin = p;
gunichar c;
while ((c = g_utf8_get_char (end)) && !g_unichar_isspace (c))
end = g_utf8_next_char (end);
g_weak_ref_set (&self->selection, layout);
self->selection_begin = begin - text;
self->selection_end = end - text;
gtk_widget_queue_draw (GTK_WIDGET (self));
publish_selection (self, GDK_SELECTION_PRIMARY);
}
@@ -779,7 +919,7 @@ static gboolean
stardict_view_button_press_event (GtkWidget *widget, GdkEventButton *event)
{
StardictView *self = STARDICT_VIEW (widget);
if (gdk_event_triggers_context_menu((const GdkEvent *) event))
if (gdk_event_triggers_context_menu ((const GdkEvent *) event))
{
gtk_menu_popup_at_pointer (make_context_menu (self),
(const GdkEvent *) event);
@@ -806,6 +946,23 @@ stardict_view_button_press_event (GtkWidget *widget, GdkEventButton *event)
->button_press_event (widget, event);
}
static gboolean
stardict_view_motion_notify_event (GtkWidget *widget, GdkEventMotion *event)
{
StardictView *self = STARDICT_VIEW (widget);
reset_hover_for_event (self, event->state, event->x, event->y);
return GTK_WIDGET_CLASS (stardict_view_parent_class)
->motion_notify_event (widget, event);
}
static gboolean
stardict_view_leave_notify_event
(GtkWidget *widget, G_GNUC_UNUSED GdkEventCrossing *event)
{
reset_hover (STARDICT_VIEW (widget));
return GDK_EVENT_PROPAGATE;
}
static void
on_drag_begin (GtkGestureDrag *drag, G_GNUC_UNUSED gdouble start_x,
G_GNUC_UNUSED gdouble start_y, gpointer user_data)
@@ -838,21 +995,49 @@ on_drag_update (G_GNUC_UNUSED GtkGestureDrag *drag,
self->drag_last_offset = offset_y;
}
static gboolean
send_hover (StardictView *self)
{
PangoLayout *layout = g_weak_ref_get (&self->hover);
if (!layout)
return FALSE;
const char *text = pango_layout_get_text (layout);
int len = strlen (text),
s1 = MIN (self->hover_begin, self->hover_end),
s2 = MAX (self->hover_begin, self->hover_end);
if (s1 != s2 && s1 >= 0 && s1 <= len && s2 >= 0 && s2 <= len)
{
gchar *word = g_strndup (text + s1, s2 - s1);
g_signal_emit (self, view_signals[SEND], 0, word);
g_free (word);
}
g_object_unref (layout);
return TRUE;
}
static void
on_select_begin (GtkGestureDrag *drag, gdouble start_x, gdouble start_y,
gpointer user_data)
{
// Despite our two gestures not being grouped up, claiming one doesn't
// deny the other, and :exclusive isn't the opposite of :touch-only.
// A non-NULL sequence indicates a touch event.
// We probably don't need to check modifiers and mouse position again.
StardictView *self = STARDICT_VIEW (user_data);
GtkGesture *gesture = GTK_GESTURE (drag);
if (gtk_gesture_get_last_updated_sequence (gesture))
if (send_hover (self))
{
gtk_gesture_set_state(gesture, GTK_EVENT_SEQUENCE_DENIED);
gtk_gesture_set_state (gesture, GTK_EVENT_SEQUENCE_DENIED);
return;
}
// Despite our two gestures not being grouped up, claiming one doesn't
// deny the other, and :exclusive isn't the opposite of :touch-only.
// A non-NULL sequence indicates a touch event.
if (gtk_gesture_get_last_updated_sequence (gesture))
{
gtk_gesture_set_state (gesture, GTK_EVENT_SEQUENCE_DENIED);
return;
}
StardictView *self = STARDICT_VIEW (user_data);
g_weak_ref_set (&self->selection, NULL);
self->selection_begin = -1;
self->selection_end = -1;
@@ -862,7 +1047,7 @@ on_select_begin (GtkGestureDrag *drag, gdouble start_x, gdouble start_y,
PangoLayout *layout = layout_at (self, &layout_x, &layout_y);
if (!layout)
{
gtk_gesture_set_state(gesture, GTK_EVENT_SEQUENCE_DENIED);
gtk_gesture_set_state (gesture, GTK_EVENT_SEQUENCE_DENIED);
return;
}
@@ -881,7 +1066,7 @@ on_select_update (GtkGestureDrag *drag, gdouble offset_x, gdouble offset_y,
PangoLayout *layout = g_weak_ref_get (&self->selection);
if (!layout)
{
gtk_gesture_set_state(gesture, GTK_EVENT_SEQUENCE_DENIED);
gtk_gesture_set_state (gesture, GTK_EVENT_SEQUENCE_DENIED);
return;
}
@@ -892,7 +1077,7 @@ on_select_update (GtkGestureDrag *drag, gdouble offset_x, gdouble offset_y,
if (!layout_coords (self, layout, &x, &y))
{
g_warning ("internal error: weakly referenced layout not found");
gtk_gesture_set_state(gesture, GTK_EVENT_SEQUENCE_DENIED);
gtk_gesture_set_state (gesture, GTK_EVENT_SEQUENCE_DENIED);
goto out;
}
@@ -916,6 +1101,10 @@ on_select_end (G_GNUC_UNUSED GtkGestureDrag *drag,
static void
stardict_view_class_init (StardictViewClass *klass)
{
view_signals[SEND] = g_signal_new ("send",
G_TYPE_FROM_CLASS (klass), 0, 0, NULL, NULL, NULL,
G_TYPE_NONE, 1, G_TYPE_STRING);
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = stardict_view_finalize;
@@ -923,11 +1112,15 @@ stardict_view_class_init (StardictViewClass *klass)
widget_class->get_preferred_height = stardict_view_get_preferred_height;
widget_class->get_preferred_width = stardict_view_get_preferred_width;
widget_class->realize = stardict_view_realize;
widget_class->map = stardict_view_map;
widget_class->unmap = stardict_view_unmap;
widget_class->draw = stardict_view_draw;
widget_class->size_allocate = stardict_view_size_allocate;
widget_class->screen_changed = stardict_view_screen_changed;
widget_class->scroll_event = stardict_view_scroll_event;
widget_class->button_press_event = stardict_view_button_press_event;
widget_class->motion_notify_event = stardict_view_motion_notify_event;
widget_class->leave_notify_event = stardict_view_leave_notify_event;
gtk_widget_class_set_css_name (widget_class, "stardict-view");
}