Add GuiMain::file_dialog

1 files changed, 49 insertions, 17 deletions

diff --git a/src/gui_gtk.cc b/src/gui_gtk.cc
index 301b92f..12972cf 100644
--- a/src/gui_gtk.cc
+++ b/src/gui_gtk.cc
@@ -573,6 +573,18 @@ private:
   std::unordered_map<std::string, std::string> memory_;
 };
 
+void set_filter(GtkFileChooser* chooser,
+                std::vector<GuiFile::Filter> const& filters) {
+  for (auto const& filter : filters) {
+    auto f = gtk_file_filter_new();
+    gtk_file_filter_set_name(f, filter.name.c_str());
+    for (auto const& mask : filter.masks) {
+      gtk_file_filter_add_pattern(f, mask.c_str());
+    }
+    gtk_file_chooser_add_filter(chooser, f);
+  }
+}
+
 class GtkGuiMain : public virtual GuiMain, public GtkGuiWindow {
 public:
   GtkGuiMain(std::string const& title, uint32_t width, uint32_t height)
@@ -697,6 +709,32 @@ public:
     gtk_target_entry_free(target);
   }
 
+  std::string file_dialog(std::string const& title, std::string const& file,
+                          uint8_t flags,
+                          std::vector<GuiFile::Filter> const& filter) override {
+    auto chooser = gtk_file_chooser_native_new(
+        title.c_str(),
+        reinterpret_cast<GtkWindow*>(impl()),
+        flags & GuiFile::FILE_SAVE ? GTK_FILE_CHOOSER_ACTION_SAVE
+        : GTK_FILE_CHOOSER_ACTION_OPEN,
+        nullptr, nullptr);
+    if (flags & GuiFile::FILE_SAVE) {
+      gtk_file_chooser_set_do_overwrite_confirmation(
+          GTK_FILE_CHOOSER(chooser), true);
+    }
+    if (file.empty()) {
+      gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(chooser), file.c_str());
+    }
+    set_filter(GTK_FILE_CHOOSER(chooser), filter);
+    std::string ret_file;
+    auto ret = gtk_native_dialog_run(GTK_NATIVE_DIALOG(chooser));
+    if (ret == GTK_RESPONSE_ACCEPT) {
+      ret_file = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(chooser));
+    }
+    gtk_widget_destroy(GTK_WIDGET(chooser));
+    return ret_file;
+  }
+
 private:
   bool notify_about_to_exit() {
     auto it = observers_.notify();
@@ -935,7 +973,7 @@ public:
                 std::string const& value,
                 std::string const& description,
                 uint8_t flags,
-                std::vector<Filter> const& filter) override {
+                std::vector<GuiFile::Filter> const& filter) override {
     values_.emplace_back(new FileValue(this, id, label, description, value,
                                        flags, filter));
   }
@@ -1004,7 +1042,7 @@ public:
     for (auto const& value : values_) {
       if (value->id_ == id && value->type_ == FILE) {
         auto v = static_cast<FileValue*>(value.get());
-        if ((v->flags_ & FILE_SAVE) == 0 && v->chooser_) {
+        if ((v->flags_ & GuiFile::FILE_SAVE) == 0 && v->chooser_) {
           std::string ret;
           auto file = gtk_file_chooser_get_filename(v->chooser_);
           if (file) {
@@ -1079,7 +1117,8 @@ public:
         label = nullptr;
       }
       if (value->type_ != FILE
-          || (static_cast<FileValue*>(value.get())->flags_ & FILE_SAVE)) {
+          || (static_cast<FileValue*>(value.get())
+              ->flags_ & GuiFile::FILE_SAVE)) {
         value->entry_ = gtk_entry_new();
         gtk_entry_set_activates_default(GTK_ENTRY(value->entry_), true);
       }
@@ -1104,7 +1143,7 @@ public:
       }
       case FILE: {
         auto v = static_cast<FileValue*>(value.get());
-        if ((v->flags_ & FILE_SAVE) == 0) {
+        if ((v->flags_ & GuiFile::FILE_SAVE) == 0) {
           assert(!value->entry_);
           value->entry_ = gtk_file_chooser_button_new(
               v->label_.c_str(), GTK_FILE_CHOOSER_ACTION_OPEN);
@@ -1130,14 +1169,7 @@ public:
         if (!v->value_.empty()) {
           gtk_file_chooser_set_filename(v->chooser_, v->value_.c_str());
         }
-        for (auto const& filter : v->filter_) {
-          auto f = gtk_file_filter_new();
-          gtk_file_filter_set_name(f, filter.name.c_str());
-          for (auto const& mask : filter.masks) {
-            gtk_file_filter_add_pattern(f, mask.c_str());
-          }
-          gtk_file_chooser_add_filter(v->chooser_, f);
-        }
+        set_filter(v->chooser_, v->filter_);
         break;
       }
       case BOOLEAN:
@@ -1200,7 +1232,7 @@ public:
         break;
       case FILE: {
         auto v = static_cast<FileValue*>(value.get());
-        if ((v->flags_ & FILE_SAVE) == 0) {
+        if ((v->flags_ & GuiFile::FILE_SAVE) == 0) {
           auto file = gtk_file_chooser_get_filename(v->chooser_);
           if (file) {
             v->value_ = file;
@@ -1273,13 +1305,13 @@ protected:
   struct FileValue : public Value {
     std::string value_;
     uint8_t flags_;
-    std::vector<Filter> filter_;
+    std::vector<GuiFile::Filter> filter_;
     GtkFileChooser* chooser_;
     GtkWidget* button_;
 
     FileValue(GtkGuiForm* me, std::string const& id, std::string const& label,
               std::string const& description, std::string const& value,
-              uint8_t flags, std::vector<Filter> const& filter)
+              uint8_t flags, std::vector<GuiFile::Filter> const& filter)
       : Value(me, FILE, id, label, description), value_(value),
         flags_(flags), filter_(filter), chooser_(nullptr), button_(nullptr) {
     }
@@ -2079,8 +2111,8 @@ GuiForm* GuiForm::create(std::string const& title,
 }
 
 // static
-uint8_t const GuiForm::FILE_OPEN = 0;
-uint8_t const GuiForm::FILE_SAVE = 1;
+uint8_t const GuiFile::FILE_OPEN = 0;
+uint8_t const GuiFile::FILE_SAVE = 1;
 
 // static
 GuiFormApply* GuiFormApply::create(std::string const& title,