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| author | Přemysl Eric Janouch <p@janouch.name> | 2022-07-17 12:37:32 +0200 |
|---|---|---|
| committer | Přemysl Eric Janouch <p@janouch.name> | 2022-07-17 13:04:29 +0200 |
| commit | bd2e929b77b4bbf9eae7b96986fa441380140d92 (patch) | |
| tree | 854153edfde6101902e32ab2f6930cb9b7d75c6d /fiv-view.c | |
| parent | 9a0647fdfd9be82b3de75e4d1727cb95bfb82ad5 (diff) | |
| download | fiv-bd2e929b77b4bbf9eae7b96986fa441380140d92.tar.gz fiv-bd2e929b77b4bbf9eae7b96986fa441380140d92.tar.xz fiv-bd2e929b77b4bbf9eae7b96986fa441380140d92.zip | |
Add ability to keep zoom/position when browsing
Diffstat (limited to 'fiv-view.c')
| -rw-r--r-- | fiv-view.c | 29 |
1 files changed, 27 insertions, 2 deletions
@@ -67,6 +67,7 @@ struct _FivView { bool checkerboard : 1; ///< Show checkerboard background bool enhance : 1; ///< Try to enhance picture data bool scale_to_fit : 1; ///< Image no larger than the allocation + bool fixate : 1; ///< Keep zoom and position double scale; ///< Scaling factor double drag_start[2]; ///< Adjustment values for drag origin @@ -125,6 +126,7 @@ enum { PROP_MESSAGES = 1, PROP_SCALE, PROP_SCALE_TO_FIT, + PROP_FIXATE, PROP_ENABLE_CMS, PROP_FILTER, PROP_CHECKERBOARD, @@ -254,6 +256,9 @@ fiv_view_get_property( case PROP_SCALE_TO_FIT: g_value_set_boolean(value, self->scale_to_fit); break; + case PROP_FIXATE: + g_value_set_boolean(value, self->fixate); + break; case PROP_ENABLE_CMS: g_value_set_boolean(value, self->enable_cms); break; @@ -311,6 +316,10 @@ fiv_view_set_property( if (self->scale_to_fit != g_value_get_boolean(value)) fiv_view_command(self, FIV_VIEW_COMMAND_TOGGLE_SCALE_TO_FIT); break; + case PROP_FIXATE: + if (self->fixate != g_value_get_boolean(value)) + fiv_view_command(self, FIV_VIEW_COMMAND_TOGGLE_FIXATE); + break; case PROP_ENABLE_CMS: if (self->enable_cms != g_value_get_boolean(value)) fiv_view_command(self, FIV_VIEW_COMMAND_TOGGLE_CMS); @@ -636,7 +645,12 @@ static gboolean set_scale_to_fit(FivView *self, bool scale_to_fit) { if (self->scale_to_fit != scale_to_fit) { - self->scale_to_fit = scale_to_fit; + if ((self->scale_to_fit = scale_to_fit)) { + self->fixate = false; + g_object_notify_by_pspec( + G_OBJECT(self), view_properties[PROP_FIXATE]); + } + g_object_notify_by_pspec( G_OBJECT(self), view_properties[PROP_SCALE_TO_FIT]); gtk_widget_queue_resize(GTK_WIDGET(self)); @@ -1270,6 +1284,9 @@ fiv_view_class_init(FivViewClass *klass) view_properties[PROP_SCALE_TO_FIT] = g_param_spec_boolean( "scale-to-fit", "Scale to fit", "Scale images down to fit the window", TRUE, G_PARAM_READWRITE); + view_properties[PROP_FIXATE] = g_param_spec_boolean( + "fixate", "Fixate", "Keep zoom and position", + FALSE, G_PARAM_READWRITE); view_properties[PROP_ENABLE_CMS] = g_param_spec_boolean( "enable-cms", "Enable CMS", "Enable color management", TRUE, G_PARAM_READWRITE); @@ -1443,7 +1460,10 @@ fiv_view_set_uri(FivView *self, const char *uri) self->frame = self->page = NULL; self->image = surface; switch_page(self, self->image); - set_scale_to_fit(self, true); + + // Otherwise, adjustment values and zoom are retained implicitly. + if (!self->fixate) + set_scale_to_fit(self, true); g_free(self->uri); self->uri = g_strdup(uri); @@ -1592,5 +1612,10 @@ fiv_view_command(FivView *self, FivViewCommand command) set_scale_to_fit_height(self); break; case FIV_VIEW_COMMAND_TOGGLE_SCALE_TO_FIT: set_scale_to_fit(self, !self->scale_to_fit); + break; case FIV_VIEW_COMMAND_TOGGLE_FIXATE: + if ((self->fixate = !self->fixate)) + set_scale_to_fit(self, false); + g_object_notify_by_pspec( + G_OBJECT(self), view_properties[PROP_FIXATE]); } } |