feat(save_as): add save_as button for snapshots

Allow to save snapshots with a different name and under a different
location than specified in the configuration as default.

Signed-off-by: Max Kunzelmann <maxdev@posteo.de>

README.md

@@ -97,6 +97,7 @@ fill_shape=false
 - `Ctrl+z`: Undo
 - `Ctrl+Shift+z` or `Ctrl+y`: Redo
 - `Ctrl+s`: Save to file (see man page)
+- `Ctrl+Shift+s`: Open "Save As" dialog
 - `Ctrl+c`: Copy to clipboard
 - `Escape` or `q` or `Ctrl+w`: Quit swappy
 

include/pixbuf.h

@@ -4,6 +4,7 @@
 
 GdkPixbuf *pixbuf_init_from_file(struct swappy_state *state);
 GdkPixbuf *pixbuf_get_from_state(struct swappy_state *state);
+char *format_filename(char *filename_format);
 void pixbuf_save_state_to_folder(GdkPixbuf *pixbuf, char *folder,
                                  char *filename_format);
 void pixbuf_save_to_file(GdkPixbuf *pixbuf, char *file);

meson.build

@@ -11,6 +11,17 @@ project(
 	],
 )
 
+i18n = import('i18n')
+LOCALEDIR = join_paths(get_option('prefix'), get_option('localedir'))
+
+conf = configuration_data()
+conf.set_quoted('PACKAGE',  meson.project_name())
+conf.set_quoted('LOCALEDIR', LOCALEDIR)
+config_h = configure_file(
+        output : 'generated_config.h',
+        configuration : conf)
+add_project_arguments('-include', 'generated_config.h', language : 'c')
+
 version = '"@0@"'.format(meson.project_version())
 git = find_program('git', native: true, required: false)
 if git.found()

res/swappy.glade

@@ -32,6 +32,11 @@
     <property name="can_focus">False</property>
     <property name="icon_name">document-properties-symbolic</property>
   </object>
+  <object class="GtkImage" id="img-save-as-surface">
+    <property name="visible">True</property>
+    <property name="can-focus">False</property>
+    <property name="icon-name">document-save-as</property>
+  </object>
   <object class="GtkImage" id="zoom-in">
     <property name="visible">True</property>
     <property name="can_focus">False</property>
@@ -781,6 +786,22 @@
                 <property name="always_show_image">True</property>
                 <signal name="clicked" handler="save_clicked_handler" swapped="no"/>
               </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">True</property>
+                <property name="position">1</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="save-as">
+                <property name="visible">True</property>
+                <property name="can-focus">False</property>
+                <property name="receives-default">True</property>
+                <property name="tooltip-text" translatable="yes">Save Surface As</property>
+                <property name="image">img-save-as-surface</property>
+                <property name="always-show-image">True</property>
+                <signal name="clicked" handler="save_as_clicked_handler" swapped="no"/>
+              </object>
               <packing>
                 <property name="expand">False</property>
                 <property name="fill">True</property>

src/application.c

@@ -1,5 +1,6 @@
 #include <gdk/gdk.h>
 #include <glib-2.0/glib.h>
+#include <glib/gi18n-lib.h>
 #include <glib/gstdio.h>
 #include <gtk/gtk.h>
 #include <stdio.h>
@@ -312,6 +313,37 @@ void save_clicked_handler(GtkWidget *widget, struct swappy_state *state) {
   save_state_to_file_or_folder(state, NULL);
 }
 
+void save_as_clicked_handler(GtkWidget *widget, struct swappy_state *state) {
+  gchar *filename_suggestion;
+  GtkWidget *dialog;
+  GtkFileChooser *chooser;
+  GtkFileChooserAction action = GTK_FILE_CHOOSER_ACTION_SAVE;
+  gint res;
+
+  commit_state(state);
+  filename_suggestion = format_filename(state->config->save_filename_format);
+
+  dialog = gtk_file_chooser_dialog_new(NULL, state->ui->window, action,
+                                       _("_Cancel"), GTK_RESPONSE_CANCEL,
+                                       _("_Save"), GTK_RESPONSE_ACCEPT, NULL);
+  chooser = GTK_FILE_CHOOSER(dialog);
+  gtk_file_chooser_set_do_overwrite_confirmation(chooser, TRUE);
+  gtk_file_chooser_set_current_folder(chooser, state->config->save_dir);
+  gtk_file_chooser_set_current_name(chooser, filename_suggestion);
+  g_free(filename_suggestion);
+
+  res = gtk_dialog_run(GTK_DIALOG(dialog));
+  if (res == GTK_RESPONSE_ACCEPT) {
+    gchar *filename;
+
+    filename = gtk_file_chooser_get_filename(chooser);
+    save_state_to_file_or_folder(state, filename);
+    g_free(filename);
+  }
+
+  gtk_widget_destroy(dialog);
+}
+
 void clear_clicked_handler(GtkWidget *widget, struct swappy_state *state) {
   action_clear(state);
 }
@@ -353,6 +385,9 @@ void window_keypress_handler(GtkWidget *widget, GdkEventKey *event,
       case GDK_KEY_s:
         save_state_to_file_or_folder(state, NULL);
         break;
+      case GDK_KEY_S:
+        save_as_clicked_handler(NULL, state);
+        break;
       case GDK_KEY_b:
         action_toggle_painting_panel(state, NULL);
         break;

src/main.c

@@ -1,12 +1,20 @@
 #define _POSIX_C_SOURCE 200809L
 
+#include <libintl.h>
+#include <locale.h>
+
 #include "application.h"
 #include "config.h"
 
 int main(int argc, char *argv[]) {
   struct swappy_state state = {0};
   int status;
 
+  setlocale(LC_ALL, "");
+  bindtextdomain(PACKAGE, LOCALEDIR);
+  bind_textdomain_codeset(PACKAGE, "UTF-8");
+  textdomain(PACKAGE);
+
   state.argc = argc;
   state.argv = argv;
   state.mode = SWAPPY_PAINT_MODE_BRUSH;

src/pixbuf.c

@@ -22,26 +22,35 @@ static void write_file(GdkPixbuf *pixbuf, char *path) {
   }
 }
 
-void pixbuf_save_state_to_folder(GdkPixbuf *pixbuf, char *folder,
-                                 char *filename_format) {
+char *format_filename(char *filename_format) {
   time_t current_time = time(NULL);
   char *c_time_string;
   char filename[255];
-  char path[MAX_PATH];
-  size_t bytes_formated;
+  size_t bytes_formatted;
 
   c_time_string = ctime(&current_time);
   c_time_string[strlen(c_time_string) - 1] = '\0';
-  bytes_formated = strftime(filename, sizeof(filename), filename_format,
-                            localtime(&current_time));
-  if (!bytes_formated) {
+  bytes_formatted = strftime(filename, sizeof(filename), filename_format,
+                             localtime(&current_time));
+  if (!bytes_formatted) {
     g_warning(
         "filename_format: %s overflows filename limit - file cannot be saved",
         filename_format);
-    return;
+    return NULL;
   }
 
+  return g_strdup(filename);
+}
+
+void pixbuf_save_state_to_folder(GdkPixbuf *pixbuf, char *folder,
+                                 char *filename_format) {
+  char path[MAX_PATH];
+  char *filename;
+  filename = format_filename(filename_format);
+  if (filename == NULL) return;
+
   g_snprintf(path, MAX_PATH, "%s/%s", folder, filename);
+  g_free(filename);
   g_info("saving surface to path: %s", path);
   write_file(pixbuf, path);
 }

src/po/POTFILES

@@ -1 +1,2 @@
 res/swappy.glade
+src/application.c

src/po/de.po

@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: swappy\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2022-11-18 16:07-0500\n"
+"POT-Creation-Date: 2022-12-04 22:52+0100\n"
 "PO-Revision-Date: 2020-11-19 18:03+0300\n"
 "Last-Translator: Brodi <me@brodi.ml>\n"
 "Language-Team: none\n"
@@ -17,42 +17,54 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
 
-#: res/swappy.glade:456
+#: res/swappy.glade:461
 msgid "Line Width"
 msgstr "Linienstärke"
 
-#: res/swappy.glade:526
+#: res/swappy.glade:531
 msgid "Text Size"
 msgstr "Textgröße"
 
-#: res/swappy.glade:592
+#: res/swappy.glade:597
 msgid "Fill shape"
 msgstr ""
 
-#: res/swappy.glade:597
+#: res/swappy.glade:602
 msgid "Toggle shape filling"
 msgstr ""
 
-#: res/swappy.glade:671
+#: res/swappy.glade:676
 msgid "Toggle Paint Panel"
 msgstr "Farbtafel umschalten"
 
-#: res/swappy.glade:697
+#: res/swappy.glade:702
 msgid "Undo Last Paint"
 msgstr "Letzte Bemalung rückgängig machen"
 
-#: res/swappy.glade:716
+#: res/swappy.glade:721
 msgid "Redo Previous Paint"
 msgstr "Vorherige Bemalung wiederherstellen"
 
-#: res/swappy.glade:735
+#: res/swappy.glade:740
 msgid "Clear Paints"
 msgstr "Bemalung löschen"
 
-#: res/swappy.glade:763
+#: res/swappy.glade:768
 msgid "Copy Surface"
 msgstr "Fläche kopieren"
 
-#: res/swappy.glade:779
+#: res/swappy.glade:784
 msgid "Save Surface"
 msgstr "Fläche speichern"
+
+#: res/swappy.glade:800
+msgid "Save Surface As"
+msgstr "Fläche speichern unter"
+
+#: src/application.c:327
+msgid "_Cancel"
+msgstr "_Abbrechen"
+
+#: src/application.c:328
+msgid "_Save"
+msgstr "_Speichern"

src/po/en.po

@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: swappy\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2022-11-18 16:07-0500\n"
+"POT-Creation-Date: 2022-12-04 22:52+0100\n"
 "PO-Revision-Date: 2020-06-21 21:57-0400\n"
 "Last-Translator: Automatically generated\n"
 "Language-Team: none\n"
@@ -17,42 +17,54 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
 
-#: res/swappy.glade:456
+#: res/swappy.glade:461
 msgid "Line Width"
 msgstr "Line Width"
 
-#: res/swappy.glade:526
+#: res/swappy.glade:531
 msgid "Text Size"
 msgstr "Text Size"
 
-#: res/swappy.glade:592
+#: res/swappy.glade:597
 msgid "Fill shape"
 msgstr "Fill shape"
 
-#: res/swappy.glade:597
+#: res/swappy.glade:602
 msgid "Toggle shape filling"
 msgstr "Toggle shape filling"
 
-#: res/swappy.glade:671
+#: res/swappy.glade:676
 msgid "Toggle Paint Panel"
 msgstr "Toggle Paint Panel"
 
-#: res/swappy.glade:697
+#: res/swappy.glade:702
 msgid "Undo Last Paint"
 msgstr "Undo Last Paint"
 
-#: res/swappy.glade:716
+#: res/swappy.glade:721
 msgid "Redo Previous Paint"
 msgstr "Redo Previous Paint"
 
-#: res/swappy.glade:735
+#: res/swappy.glade:740
 msgid "Clear Paints"
 msgstr "Clear Paints"
 
-#: res/swappy.glade:763
+#: res/swappy.glade:768
 msgid "Copy Surface"
 msgstr "Copy Surface"
 
-#: res/swappy.glade:779
+#: res/swappy.glade:784
 msgid "Save Surface"
 msgstr "Save Surface"
+
+#: res/swappy.glade:800
+msgid "Save Surface As"
+msgstr "Save Surface As"
+
+#: src/application.c:327
+msgid "_Cancel"
+msgstr "_Cancel"
+
+#: src/application.c:328
+msgid "_Save"
+msgstr "_Save"