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Add support for copying to clipboard

This commit is contained in:
Přemysl Eric Janouch 2022-08-04 00:33:06 +02:00
parent d1d9caaa5e
commit d590d1da46
Signed by: p
GPG Key ID: A0420B94F92B9493
3 changed files with 33 additions and 0 deletions
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31
fiv-view.c
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@ -990,6 +990,34 @@ get_toplevel(GtkWidget *widget)
return NULL; return NULL;
} }
static void
copy(FivView *self)
{
double fractional_width = 0, fractional_height = 0;
cairo_matrix_t matrix = fiv_io_orientation_apply(
self->frame, self->orientation, &fractional_width, &fractional_height);
int w = ceil(fractional_width), h = ceil(fractional_height);
// XXX: SVG is rendered pre-scaled.
cairo_surface_t *transformed =
cairo_image_surface_create(CAIRO_FORMAT_ARGB32, w, h);
cairo_t *cr = cairo_create(transformed);
cairo_set_source_surface(cr, self->frame, 0, 0);
cairo_pattern_set_matrix(cairo_get_source(cr), &matrix);
cairo_paint(cr);
cairo_destroy(cr);
// TODO(p): Use 16-bit PNGs for >8-bit Cairo surfaces: PNG-encode them
// ourselves and fall back to gtk_selection_data_set_pixbuf().
GdkPixbuf *pixbuf = gdk_pixbuf_get_from_surface(transformed, 0, 0, w, h);
cairo_surface_destroy(transformed);
gtk_clipboard_set_image(
gtk_clipboard_get_for_display(
gtk_widget_get_display(GTK_WIDGET(self)), GDK_SELECTION_CLIPBOARD),
pixbuf);
g_object_unref(pixbuf);
}
static void static void
on_draw_page(G_GNUC_UNUSED GtkPrintOperation *operation, on_draw_page(G_GNUC_UNUSED GtkPrintOperation *operation,
GtkPrintContext *context, G_GNUC_UNUSED int page_nr, FivView *self) GtkPrintContext *context, G_GNUC_UNUSED int page_nr, FivView *self)
@ -1428,6 +1456,7 @@ fiv_view_class_init(FivViewClass *klass)
bind(bs, GDK_KEY_0, primary, FIV_VIEW_COMMAND_ZOOM_1); bind(bs, GDK_KEY_0, primary, FIV_VIEW_COMMAND_ZOOM_1);
bind(bs, GDK_KEY_plus, primary, FIV_VIEW_COMMAND_ZOOM_IN); bind(bs, GDK_KEY_plus, primary, FIV_VIEW_COMMAND_ZOOM_IN);
bind(bs, GDK_KEY_minus, primary, FIV_VIEW_COMMAND_ZOOM_OUT); bind(bs, GDK_KEY_minus, primary, FIV_VIEW_COMMAND_ZOOM_OUT);
bind(bs, GDK_KEY_c, primary, FIV_VIEW_COMMAND_COPY);
bind(bs, GDK_KEY_p, primary, FIV_VIEW_COMMAND_PRINT); bind(bs, GDK_KEY_p, primary, FIV_VIEW_COMMAND_PRINT);
bind(bs, GDK_KEY_r, primary, FIV_VIEW_COMMAND_RELOAD); bind(bs, GDK_KEY_r, primary, FIV_VIEW_COMMAND_RELOAD);
bind(bs, GDK_KEY_s, primary, FIV_VIEW_COMMAND_SAVE_PAGE); bind(bs, GDK_KEY_s, primary, FIV_VIEW_COMMAND_SAVE_PAGE);
@ -1672,6 +1701,8 @@ fiv_view_command(FivView *self, FivViewCommand command)
G_OBJECT(self), view_properties[PROP_ENHANCE]); G_OBJECT(self), view_properties[PROP_ENHANCE]);
swap_enhanced_image(self); swap_enhanced_image(self);
break; case FIV_VIEW_COMMAND_COPY:
copy(self);
break; case FIV_VIEW_COMMAND_PRINT: break; case FIV_VIEW_COMMAND_PRINT:
print(self); print(self);
break; case FIV_VIEW_COMMAND_SAVE_PAGE: break; case FIV_VIEW_COMMAND_SAVE_PAGE:

1
fiv-view.h
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@ -50,6 +50,7 @@ typedef enum _FivViewCommand {
XX(FIV_VIEW_COMMAND_TOGGLE_FILTER, "toggle-filter") \ XX(FIV_VIEW_COMMAND_TOGGLE_FILTER, "toggle-filter") \
XX(FIV_VIEW_COMMAND_TOGGLE_CHECKERBOARD, "toggle-checkerboard") \ XX(FIV_VIEW_COMMAND_TOGGLE_CHECKERBOARD, "toggle-checkerboard") \
XX(FIV_VIEW_COMMAND_TOGGLE_ENHANCE, "toggle-enhance") \ XX(FIV_VIEW_COMMAND_TOGGLE_ENHANCE, "toggle-enhance") \
XX(FIV_VIEW_COMMAND_COPY, "copy") \
XX(FIV_VIEW_COMMAND_PRINT, "print") \ XX(FIV_VIEW_COMMAND_PRINT, "print") \
XX(FIV_VIEW_COMMAND_SAVE_PAGE, "save-page") \ XX(FIV_VIEW_COMMAND_SAVE_PAGE, "save-page") \
XX(FIV_VIEW_COMMAND_SAVE_FRAME, "save-frame") \ XX(FIV_VIEW_COMMAND_SAVE_FRAME, "save-frame") \

1
fiv.c
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@ -175,6 +175,7 @@ static struct key_group help_keys_viewer[] = {
{} {}
}}, }},
{"Tools", (struct key[]) { {"Tools", (struct key[]) {
{"<Primary>c", "Copy frame to clipboard"},
{"<Primary>p", "Print..."}, {"<Primary>p", "Print..."},
{"<Primary>s", "Save page as..."}, {"<Primary>s", "Save page as..."},
{"<Primary><Shift>s", "Save frame as..."}, {"<Primary><Shift>s", "Save frame as..."},