Widget: Add pasted event

Widget_pasted() fires for a widget that currently owns a selection when the content of this selection was requested by another X11 client.
Zirias · Jul 26, 2024 · fc2105f · fc2105f
1 parent b2b373e
commit fc2105f
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Showing 3 changed files with 36 additions and 0 deletions.
diff --git a/src/bin/xmoji/widget.c b/src/bin/xmoji/widget.c
@@ -34,6 +34,7 @@ struct Widget
     Tooltip *tooltip;
     PSC_Event *shown;
     PSC_Event *hidden;
+    PSC_Event *pasted;
     PSC_Event *activated;
     PSC_Event *sizeRequested;
     PSC_Event *sizeChanged;
@@ -71,6 +72,7 @@ static void destroy(void *obj)
     PSC_Event_destroy(self->sizeChanged);
     PSC_Event_destroy(self->sizeRequested);
     PSC_Event_destroy(self->activated);
+    PSC_Event_destroy(self->pasted);
     PSC_Event_destroy(self->hidden);
     PSC_Event_destroy(self->shown);
     Tooltip_destroy(self->tooltip);
@@ -145,6 +147,7 @@ Widget *Widget_createBase(void *derived, const char *name, void *parent)
     else self->resname = Object_className(self);
     self->shown = PSC_Event_create(self);
     self->hidden = PSC_Event_create(self);
+    self->pasted = PSC_Event_create(self);
     self->activated = PSC_Event_create(self);
     self->sizeRequested = PSC_Event_create(self);
     self->sizeChanged = PSC_Event_create(self);
@@ -193,6 +196,12 @@ PSC_Event *Widget_hidden(void *self)
     return w->hidden;
 }
 
+PSC_Event *Widget_pasted(void *self)
+{
+    Widget *w = Object_instance(self);
+    return w->pasted;
+}
+
 PSC_Event *Widget_activated(void *self)
 {
     Widget *w = Object_instance(self);
@@ -998,6 +1007,14 @@ void Widget_setSelection(void *self, XSelectionName name,
     XSelection_publish(selection, Object_instance(self), content);
 }
 
+void Widget_raisePasted(void *self, XSelectionName name,
+	XSelectionContent content)
+{
+    Widget *w = Object_instance(self);
+    PastedEventArgs ea = { name, content };
+    PSC_Event_raise(w->pasted, 0, &ea);
+}
+
 const Rect *Widget_damages(const void *self, int *num)
 {
     const Widget *w = Object_instance(self);

diff --git a/src/bin/xmoji/widget.h b/src/bin/xmoji/widget.h
@@ -102,6 +102,12 @@ typedef struct WidgetEventArgs
     int external;
 } WidgetEventArgs;
 
+typedef struct PastedEventArgs
+{
+    XSelectionName name;
+    XSelectionContent content;
+} PastedEventArgs;
+
 typedef struct SizeChangedEventArgs
 {
     int external;
@@ -123,6 +129,7 @@ const char *Widget_name(const void *self) CMETHOD;
 const char *Widget_resname(const void *self) CMETHOD ATTR_RETNONNULL;
 PSC_Event *Widget_shown(void *self) CMETHOD ATTR_RETNONNULL;
 PSC_Event *Widget_hidden(void *self) CMETHOD ATTR_RETNONNULL;
+PSC_Event *Widget_pasted(void *self) CMETHOD ATTR_RETNONNULL;
 PSC_Event *Widget_activated(void *self) CMETHOD ATTR_RETNONNULL;
 PSC_Event *Widget_sizeRequested(void *self) CMETHOD ATTR_RETNONNULL;
 PSC_Event *Widget_sizeChanged(void *self) CMETHOD ATTR_RETNONNULL;
@@ -197,6 +204,8 @@ void Widget_requestPaste(void *self, XSelectionName name,
 	XSelectionType type) CMETHOD;
 void Widget_setSelection(void *self, XSelectionName name,
 	XSelectionContent content) CMETHOD;
+void Widget_raisePasted(void *self, XSelectionName name,
+	XSelectionContent content) CMETHOD;
 const Rect *Widget_damages(const void *self, int *num) CMETHOD;
 
 #endif
diff --git a/src/bin/xmoji/xselection.c b/src/bin/xmoji/xselection.c
@@ -444,6 +444,7 @@ static XSelectionRequest *XSelectionRequest_create(XSelection *selection,
 	    || (ev->target == A(UTF8_STRING)
 		&& selection->content.type == XST_TEXT))
     {
+	int notify = 1;
 	XSelectionRequest *self = PSC_malloc(sizeof *self);
 	self->selection = selection;
 	self->next = 0;
@@ -452,13 +453,15 @@ static XSelectionRequest *XSelectionRequest_create(XSelection *selection,
 	self->timeout = 0;
 	if (ev->target == A(MULTIPLE))
 	{
+	    notify = 0;
 	    self->data = 0;
 	    self->datalen = 0;
 	    self->proptype = A(ATOM_PAIR);
 	    self->propformat = 32;
 	}
 	else if (ev->target == A(TARGETS))
 	{
+	    notify = 0;
 	    xcb_atom_t *targets;
 	    switch (selection->content.type)
 	    {
@@ -487,6 +490,7 @@ static XSelectionRequest *XSelectionRequest_create(XSelection *selection,
 	}
 	else if (ev->target == A(TIMESTAMP))
 	{
+	    notify = 0;
 	    self->data = PSC_malloc(sizeof selection->ownedTime);
 	    memcpy(self->data, &selection->ownedTime,
 		    sizeof selection->ownedTime);
@@ -514,6 +518,12 @@ static XSelectionRequest *XSelectionRequest_create(XSelection *selection,
 	self->requestor = ev->requestor;
 	self->time = ev->time;
 	self->subidx = 0;
+	if (notify && selection->owner)
+	{
+	    Widget_raisePasted(selection->owner,
+		    selection->name == XCB_ATOM_PRIMARY
+		    ? XSN_PRIMARY : XSN_CLIPBOARD, selection->content);
+	}
 	return self;
     }
     if (!parent) XSelectionRequest_reject(selection,