diff options
| -rw-r--r-- | fiv-view.c | 96 |
1 files changed, 91 insertions, 5 deletions
@@ -1438,6 +1438,42 @@ get_toplevel(GtkWidget *widget) return NULL; } +struct zoom_ask_context { + GtkWidget *result_left, *result_right; + Dimensions dimensions; +}; + +static void +on_zoom_ask_spin_changed(GtkSpinButton *spin, G_GNUC_UNUSED gpointer user_data) +{ + // We don't want to call gtk_spin_button_update(), + // that would immediately replace whatever the user has typed in. + gdouble scale = -1; + const gchar *text = gtk_entry_get_text(GTK_ENTRY(spin)); + if (*text) { + gchar *end = NULL; + gdouble value = g_strtod(text, &end); + if (!*end) + scale = value / 100.; + } + + struct zoom_ask_context *data = user_data; + GtkStyleContext *style = gtk_widget_get_style_context(GTK_WIDGET(spin)); + if (scale <= 0) { + gtk_style_context_add_class(style, GTK_STYLE_CLASS_WARNING); + gtk_label_set_text(GTK_LABEL(data->result_left), "—"); + gtk_label_set_text(GTK_LABEL(data->result_right), "—"); + } else { + gtk_style_context_remove_class(style, GTK_STYLE_CLASS_WARNING); + gchar *left = g_strdup_printf("%.0f", data->dimensions.width * scale); + gchar *right = g_strdup_printf("%.0f", data->dimensions.height * scale); + gtk_label_set_text(GTK_LABEL(data->result_left), left); + gtk_label_set_text(GTK_LABEL(data->result_right), right); + g_free(left); + g_free(right); + } +} + static void zoom_ask(FivView *self) { @@ -1447,20 +1483,69 @@ zoom_ask(FivView *self) GTK_DIALOG_USE_HEADER_BAR, "_OK", GTK_RESPONSE_ACCEPT, "_Cancel", GTK_RESPONSE_CANCEL, NULL); + Dimensions dimensions = get_surface_dimensions(self); + gchar *original_width = g_strdup_printf("%.0f", dimensions.width); + gchar *original_height = g_strdup_printf("%.0f", dimensions.height); + GtkWidget *original_left = gtk_label_new(original_width); + GtkWidget *original_middle = gtk_label_new("×"); + GtkWidget *original_right = gtk_label_new(original_height); + g_free(original_width); + g_free(original_height); + gtk_label_set_xalign(GTK_LABEL(original_left), 1.); + gtk_label_set_xalign(GTK_LABEL(original_right), 0.); + + GtkWidget *original_box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 6); + gtk_box_pack_start( + GTK_BOX(original_box), original_left, TRUE, TRUE, 0); + gtk_box_pack_start( + GTK_BOX(original_box), original_middle, FALSE, FALSE, 0); + gtk_box_pack_start( + GTK_BOX(original_box), original_right, TRUE, TRUE, 0); + + // FIXME: This widget's behaviour is absolutely miserable. + // For example, we would like to be flexible with decimal spaces. GtkAdjustment *adjustment = gtk_adjustment_new( self->scale * 100, 0., 100000., 1., 10., 0.); GtkWidget *spin = gtk_spin_button_new(adjustment, 1., 0); + gtk_spin_button_set_update_policy( + GTK_SPIN_BUTTON(spin), GTK_UPDATE_IF_VALID); gtk_entry_set_activates_default(GTK_ENTRY(spin), TRUE); - GtkWidget *box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 6); - gtk_box_pack_start(GTK_BOX(box), gtk_label_new("Zoom:"), FALSE, FALSE, 0); - gtk_box_pack_start(GTK_BOX(box), spin, TRUE, TRUE, 0); - gtk_box_pack_start(GTK_BOX(box), gtk_label_new("%"), FALSE, FALSE, 0); + GtkWidget *zoom_box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 6); + GtkWidget *zoom_label = gtk_label_new_with_mnemonic("_Zoom:"); + gtk_label_set_mnemonic_widget(GTK_LABEL(zoom_label), spin); + gtk_box_pack_start(GTK_BOX(zoom_box), zoom_label, FALSE, FALSE, 0); + gtk_box_pack_start(GTK_BOX(zoom_box), spin, TRUE, TRUE, 0); + gtk_box_pack_start(GTK_BOX(zoom_box), gtk_label_new("%"), FALSE, FALSE, 0); + + GtkWidget *result_left = gtk_label_new(NULL); + GtkWidget *result_middle = gtk_label_new("×"); + GtkWidget *result_right = gtk_label_new(NULL); + gtk_label_set_xalign(GTK_LABEL(result_left), 1.); + gtk_label_set_xalign(GTK_LABEL(result_right), 0.); + + GtkSizeGroup *group = gtk_size_group_new(GTK_SIZE_GROUP_HORIZONTAL); + gtk_size_group_add_widget(group, original_left); + gtk_size_group_add_widget(group, original_right); + gtk_size_group_add_widget(group, result_left); + gtk_size_group_add_widget(group, result_right); + + GtkWidget *result_box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 6); + gtk_box_pack_start(GTK_BOX(result_box), result_left, TRUE, TRUE, 0); + gtk_box_pack_start(GTK_BOX(result_box), result_middle, FALSE, FALSE, 0); + gtk_box_pack_start(GTK_BOX(result_box), result_right, TRUE, TRUE, 0); + + struct zoom_ask_context data = { result_left, result_right, dimensions }; + g_signal_connect(spin, "changed", + G_CALLBACK(on_zoom_ask_spin_changed), &data); + on_zoom_ask_spin_changed(GTK_SPIN_BUTTON(spin), &data); GtkWidget *content = gtk_dialog_get_content_area(GTK_DIALOG(dialog)); g_object_set(content, "margin", 12, NULL); gtk_box_set_spacing(GTK_BOX(content), 6); - gtk_container_add(GTK_CONTAINER(content), box); + gtk_container_add(GTK_CONTAINER(content), original_box); + gtk_container_add(GTK_CONTAINER(content), zoom_box); + gtk_container_add(GTK_CONTAINER(content), result_box); gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT); gtk_window_set_skip_taskbar_hint(GTK_WINDOW(dialog), TRUE); gtk_widget_show_all(dialog); @@ -1471,6 +1556,7 @@ zoom_ask(FivView *self) set_scale(self, value / 100., NULL); } gtk_widget_destroy(dialog); + g_object_unref(group); } static void |