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clipboard: Add gdk_clipboard_set()

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This API allows specifying a GType and va_args of a value of that type
to set the clipboard contents. This massively simplifies setting weird
object types into the clipboard.
2 example patches included in this patch are the GtkTextBuffer and the
file list in the file chooser.

Using gobject-introspection, this should work without specifying the
type, so that you can literlally say
  clipboard.set ("Hello World")
or
  clipboard.set (pixbuf)
which is why I've also marked all other setters as (skip). They just
exist in C as wrappers for type safety reasons.
This commit is contained in:
Benjamin Otte 2017-12-05 05:16:49 +01:00
parent 4658d7ea54
commit dc50e0637f
5 changed files with 29 additions and 120 deletions
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3
docs/reference/gdk/gdk4-sections.txt
View File

@ -1304,6 +1304,9 @@ gdk_clipboard_read_texture_finish
gdk_clipboard_read_text_async
gdk_clipboard_read_text_finish
gdk_clipboard_set_content
gdk_clipboard_set
gdk_clipboard_set_valist
gdk_clipboard_set_value
gdk_clipboard_set_text
gdk_clipboard_set_texture

109
gdk/gdkclipboard.c
View File

@ -30,8 +30,6 @@
#include "gdkpipeiostreamprivate.h"
#include "gdktexture.h"
#include <gobject/gvaluecollector.h>
/**
* SECTION:gdkclipboard
* @Short_description: Share data between applications for Copy-and-Paste
@ -1235,88 +1233,7 @@ gdk_clipboard_set_content (GdkClipboard *clipboard,
}
/**
* gdk_clipboard_set:
* @clipboard: a #GdkClipboard
* @type: type of value to set
* @...: value contents conforming to @type
*
* Sets the clipboard to contain the value collected from the given
* varargs.
**/
void
gdk_clipboard_set (GdkClipboard *clipboard,
GType type,
...)
{
va_list args;
g_return_if_fail (GDK_IS_CLIPBOARD (clipboard));
va_start (args, type);
gdk_clipboard_set_valist (clipboard, type, args);
va_end (args);
}
/**
* gdk_clipboard_set_valist: (skip)
* @clipboard: a #GdkClipboard
* @type: type of value to set
* @args: varargs containing the value of @type
*
* Sets the clipboard to contain the value collected from the given
* @args.
**/
void
gdk_clipboard_set_valist (GdkClipboard *clipboard,
GType type,
va_list args)
{
GValue value = G_VALUE_INIT;
char *error;
g_return_if_fail (GDK_IS_CLIPBOARD (clipboard));
G_VALUE_COLLECT_INIT (&value, type,
args, G_VALUE_NOCOPY_CONTENTS,
&error);
if (error)
{
g_warning ("%s: %s", G_STRLOC, error);
g_free (error);
/* we purposely leak the value here, it might not be
* in a sane state if an error condition occoured
*/
return;
}
gdk_clipboard_set_value (clipboard, &value);
g_value_unset (&value);
}
/**
* gdk_clipboard_set_value: (rename-to gdk_clipboard_set)
* @clipboard: a #GdkClipboard
* @value: a #GValue to set
*
* Sets the @clipboard to contain the given @value.
**/
void
gdk_clipboard_set_value (GdkClipboard *clipboard,
const GValue *value)
{
GdkContentProvider *provider;
g_return_if_fail (GDK_IS_CLIPBOARD (clipboard));
g_return_if_fail (G_IS_VALUE (value));
provider = gdk_content_provider_new_for_value (value);
gdk_clipboard_set_content (clipboard, provider);
g_object_unref (provider);
}
/**
* gdk_clipboard_set_text: (skip)
* gdk_clipboard_set_text:
* @clipboard: a #GdkClipboard
* @text: Text to put into the clipboard
*
@ -1326,13 +1243,22 @@ void
gdk_clipboard_set_text (GdkClipboard *clipboard,
const char *text)
{
GdkContentProvider *provider;
GValue value = G_VALUE_INIT;
g_return_if_fail (GDK_IS_CLIPBOARD (clipboard));
gdk_clipboard_set (clipboard, G_TYPE_STRING, text);
g_value_init (&value, G_TYPE_STRING);
g_value_set_string (&value, text);
provider = gdk_content_provider_new_for_value (&value);
g_value_unset (&value);
gdk_clipboard_set_content (clipboard, provider);
g_object_unref (provider);
}
/**
* gdk_clipboard_set_texture: (skip)
* gdk_clipboard_set_texture:
* @clipboard: a #GdkClipboard
* @texture: a #GdkTexture to put into the clipboard
*
@ -1342,9 +1268,18 @@ void
gdk_clipboard_set_texture (GdkClipboard *clipboard,
GdkTexture *texture)
{
GdkContentProvider *provider;
GValue value = G_VALUE_INIT;
g_return_if_fail (GDK_IS_CLIPBOARD (clipboard));
g_return_if_fail (GDK_IS_TEXTURE (texture));
gdk_clipboard_set (clipboard, GDK_TYPE_TEXTURE, texture);
g_value_init (&value, GDK_TYPE_TEXTURE);
g_value_set_object (&value, texture);
provider = gdk_content_provider_new_for_value (&value);
g_value_unset (&value);
gdk_clipboard_set_content (clipboard, provider);
g_object_unref (provider);
}

11
gdk/gdkclipboard.h
View File

@ -103,17 +103,6 @@ GDK_AVAILABLE_IN_3_94
gboolean gdk_clipboard_set_content (GdkClipboard *clipboard,
GdkContentProvider *provider);
GDK_AVAILABLE_IN_3_94
void gdk_clipboard_set (GdkClipboard *clipboard,
GType type,
...);
GDK_AVAILABLE_IN_3_94
void gdk_clipboard_set_valist (GdkClipboard *clipboard,
GType type,
va_list args);
GDK_AVAILABLE_IN_3_94
void gdk_clipboard_set_value (GdkClipboard *clipboard,
const GValue *value);
GDK_AVAILABLE_IN_3_94
void gdk_clipboard_set_text (GdkClipboard *clipboard,
const char *text);
GDK_AVAILABLE_IN_3_94

13
gtk/gtkfilechooserwidget.c
View File

@ -1668,19 +1668,10 @@ copy_file_location_cb (GSimpleAction *action,
if (selected_files)
{
GdkClipboard *clipboard;
GdkContentProvider *provider;
GValue value = G_VALUE_INIT;
clipboard = gtk_widget_get_clipboard (GTK_WIDGET (impl));
g_value_init (&value, GDK_TYPE_FILE_LIST);
g_value_take_boxed (&value, selected_files);
provider = gdk_content_provider_new_for_value (&value);
g_value_unset (&value);
gdk_clipboard_set_content (clipboard, provider);
g_object_unref (provider);
gdk_clipboard_set (clipboard, GDK_TYPE_FILE_LIST, selected_files);
g_slist_free_full (selected_files, g_object_unref);
}
}

13
gtk/gtktextbuffer.c
View File

@ -3927,19 +3927,10 @@ cut_or_copy (GtkTextBuffer *buffer,
if (!gtk_text_iter_equal (&start, &end))
{
GtkTextBuffer *contents;
GdkContentProvider *provider;
GValue value = G_VALUE_INIT;
contents = create_clipboard_contents_buffer (buffer, &start, &end);
g_value_init (&value, GTK_TYPE_TEXT_BUFFER);
g_value_take_object (&value, contents);
provider = gdk_content_provider_new_for_value (&value);
g_value_unset (&value);
gdk_clipboard_set_content (clipboard, provider);
g_object_unref (provider);
gdk_clipboard_set (clipboard, GTK_TYPE_TEXT_BUFFER, contents);
g_object_unref (contents);
if (delete_region_after)
{