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Diffstat (limited to 'fastiv-view.c')
-rw-r--r--fastiv-view.c142
1 files changed, 98 insertions, 44 deletions
diff --git a/fastiv-view.c b/fastiv-view.c
index 81e4add..985f52c 100644
--- a/fastiv-view.c
+++ b/fastiv-view.c
@@ -530,7 +530,6 @@ start_animating(FastivView *self)
static void
switch_page(FastivView *self, cairo_surface_t *page)
{
- GtkWidget *widget = GTK_WIDGET(self);
self->frame = self->page = page;
if ((self->orientation = (uintptr_t) cairo_surface_get_user_data(
self->page, &fastiv_io_key_orientation)) ==
@@ -538,7 +537,7 @@ switch_page(FastivView *self, cairo_surface_t *page)
self->orientation = FastivIoOrientation0;
start_animating(self);
- gtk_widget_queue_resize(widget);
+ gtk_widget_queue_resize(GTK_WIDGET(self));
}
static void
@@ -697,6 +696,13 @@ save_as(FastivView *self, gboolean frame)
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+static inline gboolean
+command(FastivView *self, FastivViewCommand command)
+{
+ fastiv_view_command(self, command);
+ return TRUE;
+}
+
static gboolean
fastiv_view_key_press_event(GtkWidget *widget, GdkEventKey *event)
{
@@ -712,15 +718,15 @@ fastiv_view_key_press_event(GtkWidget *widget, GdkEventKey *event)
if (state == GDK_CONTROL_MASK) {
switch (event->keyval) {
case GDK_KEY_0:
- return set_scale(self, 1.0);
+ return command(self, FASTIV_VIEW_COMMAND_ZOOM_1);
case GDK_KEY_plus:
- return set_scale(self, self->scale * SCALE_STEP);
+ return command(self, FASTIV_VIEW_COMMAND_ZOOM_IN);
case GDK_KEY_minus:
- return set_scale(self, self->scale / SCALE_STEP);
+ return command(self, FASTIV_VIEW_COMMAND_ZOOM_OUT);
case GDK_KEY_p:
- return print(self);
+ return command(self, FASTIV_VIEW_COMMAND_PRINT);
case GDK_KEY_s:
- return save_as(self, FALSE);
+ return command(self, FASTIV_VIEW_COMMAND_SAVE_PAGE);
case GDK_KEY_S:
return save_as(self, TRUE);
}
@@ -740,9 +746,9 @@ fastiv_view_key_press_event(GtkWidget *widget, GdkEventKey *event)
case GDK_KEY_9:
return set_scale(self, event->keyval - GDK_KEY_0);
case GDK_KEY_plus:
- return set_scale(self, self->scale * SCALE_STEP);
+ return command(self, FASTIV_VIEW_COMMAND_ZOOM_IN);
case GDK_KEY_minus:
- return set_scale(self, self->scale / SCALE_STEP);
+ return command(self, FASTIV_VIEW_COMMAND_ZOOM_OUT);
case GDK_KEY_x: // Inspired by gThumb.
return set_scale_to_fit(self, !self->scale_to_fit);
@@ -753,47 +759,21 @@ fastiv_view_key_press_event(GtkWidget *widget, GdkEventKey *event)
return TRUE;
case GDK_KEY_less:
- self->orientation = view_left[self->orientation];
- gtk_widget_queue_resize(widget);
- return TRUE;
+ return command(self, FASTIV_VIEW_COMMAND_ROTATE_LEFT);
case GDK_KEY_equal:
- self->orientation = view_mirror[self->orientation];
- gtk_widget_queue_draw(widget);
- return TRUE;
+ return command(self, FASTIV_VIEW_COMMAND_MIRROR);
case GDK_KEY_greater:
- self->orientation = view_right[self->orientation];
- gtk_widget_queue_resize(widget);
- return TRUE;
+ return command(self, FASTIV_VIEW_COMMAND_ROTATE_RIGHT);
- case GDK_KEY_bracketleft: {
- cairo_surface_t *page = cairo_surface_get_user_data(
- self->page, &fastiv_io_key_page_previous);
- if (page)
- switch_page(self, page);
- return TRUE;
- }
- case GDK_KEY_bracketright: {
- cairo_surface_t *page = cairo_surface_get_user_data(
- self->page, &fastiv_io_key_page_next);
- if (page)
- switch_page(self, page);
- return TRUE;
- }
+ case GDK_KEY_bracketleft:
+ return command(self, FASTIV_VIEW_COMMAND_PAGE_PREVIOUS);
+ case GDK_KEY_bracketright:
+ return command(self, FASTIV_VIEW_COMMAND_PAGE_NEXT);
case GDK_KEY_braceleft:
- stop_animating(self);
- if (!(self->frame = cairo_surface_get_user_data(
- self->frame, &fastiv_io_key_frame_previous)))
- self->frame = self->page;
- gtk_widget_queue_draw(widget);
- return TRUE;
+ return command(self, FASTIV_VIEW_COMMAND_FRAME_PREVIOUS);
case GDK_KEY_braceright:
- stop_animating(self);
- if (!(self->frame = cairo_surface_get_user_data(
- self->frame, &fastiv_io_key_frame_next)))
- self->frame = self->page;
- gtk_widget_queue_draw(widget);
- return TRUE;
+ return command(self, FASTIV_VIEW_COMMAND_FRAME_NEXT);
}
return FALSE;
}
@@ -858,3 +838,77 @@ fastiv_view_open(FastivView *self, const gchar *path, GError **error)
set_scale_to_fit(self, true);
return TRUE;
}
+
+static void
+page_step(FastivView *self, int step)
+{
+ cairo_user_data_key_t *key =
+ step < 0 ? &fastiv_io_key_page_previous : &fastiv_io_key_page_next;
+ cairo_surface_t *page = cairo_surface_get_user_data(self->page, key);
+ if (page)
+ switch_page(self, page);
+}
+
+static void
+frame_step(FastivView *self, int step)
+{
+ stop_animating(self);
+ cairo_user_data_key_t *key =
+ step < 0 ? &fastiv_io_key_frame_previous : &fastiv_io_key_frame_next;
+ if (!step || !(self->frame = cairo_surface_get_user_data(self->frame, key)))
+ self->frame = self->page;
+ gtk_widget_queue_draw(GTK_WIDGET(self));
+}
+
+void
+fastiv_view_command(FastivView *self, FastivViewCommand command)
+{
+ g_return_if_fail(FASTIV_IS_VIEW(self));
+
+ GtkWidget *widget = GTK_WIDGET(self);
+ if (!self->image)
+ return;
+
+ switch (command) {
+ break; case FASTIV_VIEW_COMMAND_ROTATE_LEFT:
+ self->orientation = view_left[self->orientation];
+ gtk_widget_queue_resize(widget);
+ break; case FASTIV_VIEW_COMMAND_MIRROR:
+ self->orientation = view_mirror[self->orientation];
+ gtk_widget_queue_resize(widget);
+ break; case FASTIV_VIEW_COMMAND_ROTATE_RIGHT:
+ self->orientation = view_right[self->orientation];
+ gtk_widget_queue_resize(widget);
+
+ break; case FASTIV_VIEW_COMMAND_PAGE_FIRST:
+ switch_page(self, self->image);
+ break; case FASTIV_VIEW_COMMAND_PAGE_PREVIOUS:
+ page_step(self, -1);
+ break; case FASTIV_VIEW_COMMAND_PAGE_NEXT:
+ page_step(self, +1);
+ break; case FASTIV_VIEW_COMMAND_PAGE_LAST:
+ for (cairo_surface_t *s = self->page;
+ (s = cairo_surface_get_user_data(s, &fastiv_io_key_page_next)); )
+ self->page = s;
+ switch_page(self, self->page);
+
+ break; case FASTIV_VIEW_COMMAND_FRAME_FIRST:
+ frame_step(self, 0);
+ break; case FASTIV_VIEW_COMMAND_FRAME_PREVIOUS:
+ frame_step(self, -1);
+ break; case FASTIV_VIEW_COMMAND_FRAME_NEXT:
+ frame_step(self, +1);
+
+ break; case FASTIV_VIEW_COMMAND_PRINT:
+ print(self);
+ break; case FASTIV_VIEW_COMMAND_SAVE_PAGE:
+ save_as(self, FALSE);
+
+ break; case FASTIV_VIEW_COMMAND_ZOOM_IN:
+ set_scale(self, self->scale * SCALE_STEP);
+ break; case FASTIV_VIEW_COMMAND_ZOOM_OUT:
+ set_scale(self, self->scale / SCALE_STEP);
+ break; case FASTIV_VIEW_COMMAND_ZOOM_1:
+ set_scale(self, 1.0);
+ }
+}
generated by cgit v1.2.3-70-g09d2 (git 2.50.0) at 2025-11-04 15:58:51 +0000