Adds theme support:

9 files changed, 167 insertions, 5 deletions

diff --git a/Changelog.txt b/Changelog.txt
index f25625b..6575dcb 100644
--- a/Changelog.txt
+++ b/Changelog.txt
@@ -23,6 +23,7 @@ Kristall Changelog
 - Added support for block quotes
 - Added help file
 - Added shortcut to focus URL bar
+- Added possibility to save/load/share theme presets. Make everything colorful!
 
 == 0.1
 - Initial release
\ No newline at end of file
diff --git a/README.md b/README.md
index 048783f..543c865 100644
--- a/README.md
+++ b/README.md
@@ -127,10 +127,11 @@ ln -s Kristall.desktop ~/.local/share/applications/kristall.desktop
    - [ ] For favourites
    - [ ] For documents
   - [ ] Image Zoom and Pan
-  - [ ] Save/load/share theme preset
   - [ ] Improve Unicode/Emoji support
     - Seems to need multiple font families per font?
-
+- [ ] Add text/kristall-theme mime
+  - [ ] Will use a preview document instead of displaying the content
+  - [ ] Allow import of themes
 ## Bugs
   
 > <styan> xq: When using torsocks(1) on kristall QNetworkInterface complains loudly about not being permitted to create an IPv6 socket..
diff --git a/presets/black.kthm b/presets/black.kthm
new file mode 100644
index 0000000..d502601
--- /dev/null
+++ b/presets/black.kthm
@@ -0,0 +1,21 @@
+[General]
+background_color=#250108
+blockquote_color=#4f0507
+cross_scheme_link_color=#0a7dd4
+external_link_color=#0e8fff
+external_link_prefix="\x21d2 "
+h1_color=#d60003
+h1_font="Sans Serif,20,-1,5,50,0,0,0,0,0"
+h2_color=#d90032
+h2_font="Sans Serif,15,-1,5,50,0,0,0,0,0"
+h3_color=#ea5600
+h3_font="Sans Serif,12,-1,5,50,0,0,0,0,0"
+internal_link_color=#0e8fff
+internal_link_prefix="\x2192 "
+margins=55
+name=Black
+preformatted_color=#ffd0f7
+preformatted_font="Source Code Pro,10,-1,5,50,0,0,0,0,0,Regular"
+standard_color=#e7c0c1
+standard_font="Fira Sans,10,-1,5,50,0,0,0,0,0,Regular"
+theme=0
diff --git a/presets/bloo b/presets/bloo
new file mode 100644
index 0000000..d502601
--- /dev/null
+++ b/presets/bloo
@@ -0,0 +1,21 @@
+[General]
+background_color=#250108
+blockquote_color=#4f0507
+cross_scheme_link_color=#0a7dd4
+external_link_color=#0e8fff
+external_link_prefix="\x21d2 "
+h1_color=#d60003
+h1_font="Sans Serif,20,-1,5,50,0,0,0,0,0"
+h2_color=#d90032
+h2_font="Sans Serif,15,-1,5,50,0,0,0,0,0"
+h3_color=#ea5600
+h3_font="Sans Serif,12,-1,5,50,0,0,0,0,0"
+internal_link_color=#0e8fff
+internal_link_prefix="\x2192 "
+margins=55
+name=Black
+preformatted_color=#ffd0f7
+preformatted_font="Source Code Pro,10,-1,5,50,0,0,0,0,0,Regular"
+standard_color=#e7c0c1
+standard_font="Fira Sans,10,-1,5,50,0,0,0,0,0,Regular"
+theme=0
diff --git a/presets/default.kthm b/presets/default.kthm
new file mode 100644
index 0000000..f78402b
--- /dev/null
+++ b/presets/default.kthm
@@ -0,0 +1,21 @@
+[General]
+background_color=#edefff
+blockquote_color=#1380d4
+cross_scheme_link_color=#0960a7
+external_link_color=#0e8fff
+external_link_prefix="\x21d2 "
+h1_color=#022f90
+h1_font="Sans Serif,20,-1,5,50,0,0,0,0,0"
+h2_color=#022f90
+h2_font="Sans Serif,15,-1,5,50,0,0,0,0,0"
+h3_color=#022f90
+h3_font="Sans Serif,12,-1,5,50,0,0,0,0,0"
+internal_link_color=#0e8fff
+internal_link_prefix="\x2192 "
+margins=55
+name=Default
+preformatted_color=#000000
+preformatted_font="Source Code Pro,10,-1,5,50,0,0,0,0,0,Regular"
+standard_color=#000000
+standard_font="Fira Sans,10,-1,5,50,0,0,0,0,0,Regular"
+theme=0
diff --git a/presets/orange.kthm b/presets/orange.kthm
new file mode 100644
index 0000000..fd25aaf
--- /dev/null
+++ b/presets/orange.kthm
@@ -0,0 +1,21 @@
+[General]
+background_color=#ff9e27
+blockquote_color=#1380d4
+cross_scheme_link_color=#0960a7
+external_link_color=#0e8fff
+external_link_prefix="\x21d2 "
+h1_color=#022f90
+h1_font="Sans Serif,20,-1,5,50,0,0,0,0,0"
+h2_color=#022f90
+h2_font="Sans Serif,15,-1,5,50,0,0,0,0,0"
+h3_color=#022f90
+h3_font="Sans Serif,12,-1,5,50,0,0,0,0,0"
+internal_link_color=#0e8fff
+internal_link_prefix="\x2192 "
+margins=55
+name=Orange
+preformatted_color=#000000
+preformatted_font="Source Code Pro,10,-1,5,50,0,0,0,0,0,Regular"
+standard_color=#000000
+standard_font="Fira Sans,10,-1,5,50,0,0,0,0,0,Regular"
+theme=0
diff --git a/src/settingsdialog.cpp b/src/settingsdialog.cpp
index 69c7280..c71225c 100644
--- a/src/settingsdialog.cpp
+++ b/src/settingsdialog.cpp
@@ -5,6 +5,7 @@
 #include <QStyle>
 #include <QSettings>
 #include <QInputDialog>
+#include <QFileDialog>
 #include <QMessageBox>
 
 #include "kristall.hpp"
@@ -452,3 +453,74 @@ void SettingsDialog::on_SettingsDialog_accepted()
     }
     global_settings.endArray();
 }
+
+void SettingsDialog::on_preset_import_clicked()
+{
+    QFileDialog dialog { this };
+    dialog.setAcceptMode(QFileDialog::AcceptOpen);
+    dialog.selectNameFilter("Kristall Theme (*.kthm)");
+
+    if(dialog.exec() !=QFileDialog::Accepted)
+        return;
+
+    QString fileName = dialog.selectedFiles().at(0);
+
+    QSettings import_settings { fileName, QSettings::IniFormat };
+
+    QString name;
+
+    name = import_settings.value("name").toString();
+
+    while(name.isEmpty())
+    {
+        QInputDialog dlg { this };
+        dlg.setInputMode(QInputDialog::TextInput);
+        dlg.setOkButtonText("Save");
+        dlg.setCancelButtonText("Cancel");
+        dlg.setLabelText("Imported preset has no name.\r\nPlease enter a name for the preset:");
+        if(dlg.exec() != QDialog::Accepted)
+            return;
+        name = dlg.textValue();
+    }
+
+    bool override = false;
+    if(this->predefined_styles.contains(name))
+    {
+        auto response = QMessageBox::question(this, "Kristall", QString("Do you want to override the style '%1'?").arg(name));
+        if(response != QMessageBox::Yes)
+            return;
+        override = true;
+    }
+
+    DocumentStyle style;
+    style.load(import_settings);
+
+    this->predefined_styles.insert(name, style);
+
+    if(not override)
+    {
+        this->ui->presets->addItem(name);
+    }
+}
+
+void SettingsDialog::on_preset_export_clicked()
+{
+    QString name = this->ui->presets->currentText();
+    if(name.isEmpty())
+        return;
+
+    QFileDialog dialog { this };
+    dialog.setAcceptMode(QFileDialog::AcceptSave);
+    dialog.selectNameFilter("Kristall Theme (*.kthm)");
+    dialog.selectFile(QString("%1.kthm").arg(name));
+
+    if(dialog.exec() !=QFileDialog::Accepted)
+        return;
+
+    QString fileName = dialog.selectedFiles().at(0);
+
+    QSettings export_settings { fileName, QSettings::IniFormat };
+    export_settings.setValue("name", name);
+    this->predefined_styles.value(name).save(export_settings);
+    export_settings.sync();
+}
diff --git a/src/settingsdialog.hpp b/src/settingsdialog.hpp
index c3350d5..475d5b0 100644
--- a/src/settingsdialog.hpp
+++ b/src/settingsdialog.hpp
@@ -85,6 +85,10 @@ private slots:
 
     void on_preset_load_clicked();
 
+    void on_preset_import_clicked();
+
+    void on_preset_export_clicked();
+
 private:
     void reloadStylePreview();
 
diff --git a/src/settingsdialog.ui b/src/settingsdialog.ui
index 1089f05..02cccee 100644
--- a/src/settingsdialog.ui
+++ b/src/settingsdialog.ui
@@ -17,7 +17,7 @@
    <item>
     <widget class="QTabWidget" name="tabWidget">
      <property name="currentIndex">
-      <number>1</number>
+      <number>0</number>
      </property>
      <widget class="QWidget" name="generic">
       <attribute name="title">
@@ -720,7 +720,7 @@
            <item>
             <widget class="QLabel" name="quote_preview">
              <property name="text">
-              <string> </string>
+              <string/>
              </property>
             </widget>
            </item>
@@ -811,8 +811,8 @@
   </connection>
  </connections>
  <buttongroups>
-  <buttongroup name="textRenderingBtnGroup"/>
   <buttongroup name="textHighlightsBtnGroup"/>
+  <buttongroup name="textRenderingBtnGroup"/>
   <buttongroup name="gophermapBtnGroup"/>
  </buttongroups>
 </ui>