Add GuiMain::file_dialog

1 files changed, 46 insertions, 35 deletions

diff --git a/src/gui_qt.cc b/src/gui_qt.cc
index 77e292e..c032c87 100644
--- a/src/gui_qt.cc
+++ b/src/gui_qt.cc
@@ -362,6 +362,34 @@ private:
   std::unordered_map<std::string, std::string> memory_;
 };
 
+QString show_file_dialog(QWidget* parent, std::string const& title,
+                         QString const& value, uint8_t flags,
+                         std::vector<GuiFile::Filter> const& filters) {
+  QString filter;
+  for (auto const& f : filters) {
+    if (!filter.isEmpty()) filter.append(";;");
+    filter.append(QString::fromStdString(f.name));
+    filter.append(" (");
+    bool first = true;
+    for (auto const& mask : f.masks) {
+      if (first) {
+        first = false;
+      } else {
+        filter.append(' ');
+      }
+      filter.append(QString::fromStdString(mask));
+    }
+    filter.append(')');
+  }
+  if (!(flags & GuiFile::FILE_SAVE)) {
+    return QFileDialog::getOpenFileName(
+        parent, QString::fromStdString(title), value, filter);
+  } else {
+    return QFileDialog::getSaveFileName(
+        parent, QString::fromStdString(title), value, filter);
+  }
+}
+
 class QtGuiMain : public GuiMain, public QtGuiWindow {
 public:
   QtGuiMain(std::string const& title, uint32_t width, uint32_t height)
@@ -489,6 +517,14 @@ public:
     return config_.get();
   }
 
+  std::string file_dialog(std::string const& title, std::string const& file,
+                          uint8_t flags,
+                          std::vector<GuiFile::Filter> const& filter) override {
+    auto ret = show_file_dialog(main_.get(), title, QString::fromStdString(file),
+                                flags, filter);
+    return ret.isNull() ? "" : ret.toStdString();
+  }
+
 private:
   static bool valid_utf8(std::string const& data) {
     QTextCodec::ConverterState state;
@@ -859,7 +895,7 @@ 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(id, label, description, value,
                                        flags, filter));
   }
@@ -1014,13 +1050,13 @@ protected:
   struct FileValue : public Value {
     std::string value_;
     uint8_t flags_;
-    std::vector<Filter> filter_;
+    std::vector<GuiFile::Filter> filter_;
     QPushButton* button_;
 
     FileValue(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(FILE, id, label, description), value_(value),
         flags_(flags), filter_(filter), button_(nullptr) {
     }
@@ -1202,36 +1238,11 @@ protected:
   }
 
   void showFileDialog(FileValue* value) {
-    QString filter;
-    for (auto const& f : value->filter_) {
-      if (!filter.isEmpty()) filter.append(";;");
-      filter.append(QString::fromStdString(f.name));
-      filter.append(" (");
-      bool first = true;
-      for (auto const& mask : f.masks) {
-        if (first) {
-          first = false;
-        } else {
-          filter.append(' ');
-        }
-        filter.append(QString::fromStdString(mask));
-      }
-      filter.append(')');
-    }
-    if (!(value->flags_ & FILE_SAVE)) {
-      auto file = QFileDialog::getOpenFileName(
-          dialog_, QString::fromStdString(value->label_),
-          value->edit_->text(), filter);
-      if (!file.isNull()) {
-        value->edit_->setText(file);
-      }
-    } else {
-      auto file = QFileDialog::getSaveFileName(
-          dialog_, QString::fromStdString(value->label_),
-          value->edit_->text(), filter);
-      if (!file.isNull()) {
-        value->edit_->setText(file);
-      }
+    auto file = show_file_dialog(dialog_, value->label_,
+                                 value->edit_->text(), value->flags_,
+                                 value->filter_);
+    if (!file.isNull()) {
+      value->edit_->setText(file);
     }
   }
 
@@ -1697,8 +1708,8 @@ 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,