Adds color theming, adds automatic color theming with dark/light themes

1 files changed, 134 insertions, 10 deletions

diff --git a/settingsdialog.cpp b/settingsdialog.cpp
index 32c37eb..e100c91 100644
--- a/settingsdialog.cpp
+++ b/settingsdialog.cpp
@@ -2,6 +2,7 @@
 #include "ui_settingsdialog.h"
 #include <QFontDialog>
 #include <QColorDialog>
+#include <QStyle>
 
 SettingsDialog::SettingsDialog(QWidget *parent) :
     QDialog(parent),
@@ -10,7 +11,16 @@ SettingsDialog::SettingsDialog(QWidget *parent) :
 {
     ui->setupUi(this);
 
-    setStyle(GeminiStyle { });
+    static_assert(GeminiStyle::Fixed == 0);
+    static_assert(GeminiStyle::AutoDarkTheme == 1);
+    static_assert(GeminiStyle::AutoLightTheme == 2);
+
+    this->ui->auto_theme->clear();
+    this->ui->auto_theme->addItem("Disabled", QVariant::fromValue<int>(GeminiStyle::Fixed));
+    this->ui->auto_theme->addItem("Dark Theme", QVariant::fromValue<int>(GeminiStyle::AutoDarkTheme));
+    this->ui->auto_theme->addItem("Light Theme", QVariant::fromValue<int>(GeminiStyle::AutoLightTheme));
+
+    setGeminiStyle(GeminiStyle { });
 }
 
 SettingsDialog::~SettingsDialog()
@@ -36,15 +46,43 @@ static QString formatFont(QFont const & font)
         .arg(style);
 }
 
-void SettingsDialog::setStyle(const GeminiStyle &style)
+void SettingsDialog::setGeminiStyle(const GeminiStyle &style)
 {
+    static const QString COLOR_STYLE("border: 1px solid black; padding: 4px; background-color : %1; color : %2;");
+
     this->current_style = style;
 
-    this->ui->std_preview->setText(formatFont(this->current_style.standard_font));
-    this->ui->pre_preview->setText(formatFont(this->current_style.preformatted_font));
-    this->ui->h1_preview->setText(formatFont(this->current_style.h1_font));
-    this->ui->h2_preview->setText(formatFont(this->current_style.h2_font));
-    this->ui->h3_preview->setText(formatFont(this->current_style.h3_font));
+    this->ui->auto_theme->setCurrentIndex(this->current_style.theme);
+
+    auto setFontAndColor = [this](QLabel * label, QFont font, QColor color)
+    {
+        label->setText(formatFont(font));
+        label->setStyleSheet(COLOR_STYLE
+            .arg(this->current_style.background_color.name())
+            .arg(color.name()));
+    };
+
+    ui->bg_preview->setStyleSheet(COLOR_STYLE
+        .arg(this->current_style.background_color.name())
+        .arg("#FF00FF"));
+
+    ui->link_local_preview->setStyleSheet(COLOR_STYLE
+        .arg(this->current_style.background_color.name())
+        .arg(this->current_style.internal_link_color.name()));
+
+    ui->link_foreign_preview->setStyleSheet(COLOR_STYLE
+        .arg(this->current_style.background_color.name())
+        .arg(this->current_style.external_link_color.name()));
+
+    ui->link_cross_preview->setStyleSheet(COLOR_STYLE
+        .arg(this->current_style.background_color.name())
+        .arg(this->current_style.cross_scheme_link_color.name()));
+
+    setFontAndColor(this->ui->std_preview, this->current_style.standard_font, this->current_style.standard_color);
+    setFontAndColor(this->ui->pre_preview, this->current_style.preformatted_font, this->current_style.preformatted_color);
+    setFontAndColor(this->ui->h1_preview, this->current_style.h1_font, this->current_style.h1_color);
+    setFontAndColor(this->ui->h2_preview, this->current_style.h2_font, this->current_style.h2_color);
+    setFontAndColor(this->ui->h3_preview, this->current_style.h3_font, this->current_style.h3_color);
 
     this->reloadStylePreview();
 }
@@ -72,14 +110,19 @@ Plain text document here.
        ░  ░   ░
 )gemini";
 
+    QString host = this->ui->preview_url->text();
+    if(host.length() == 0)
+        host = "preview";
 
     DocumentOutlineModel outline;
     auto doc = GeminiRenderer { current_style }.render(
         document,
-        QUrl("about://preview"),
+        QUrl(QString("about://%1/foobar").arg(host)),
         outline
     );
 
+    ui->style_preview->setStyleSheet(QString("QTextBrowser { background-color: %1; }")
+                                     .arg(doc->background_color.name()));
     ui->style_preview->setDocument(doc.get());
     preview_document = std::move(doc);
 }
@@ -92,11 +135,10 @@ void SettingsDialog::updateFont(QFont & input)
 
     if(dialog.exec() == QDialog::Accepted) {
         input = dialog.currentFont();
-        setStyle(current_style);
+        setGeminiStyle(current_style);
     }
 }
 
-
 void SettingsDialog::on_std_change_font_clicked()
 {
     updateFont(current_style.standard_font);
@@ -121,3 +163,85 @@ void SettingsDialog::on_h3_change_font_clicked()
 {
     updateFont(current_style.h3_font);
 }
+
+void SettingsDialog::updateColor(QColor &input)
+{
+    QColorDialog dialog { this };
+
+    dialog.setCurrentColor(input);
+
+    if(dialog.exec() == QDialog::Accepted) {
+        input = dialog.currentColor();
+        setGeminiStyle(current_style);
+    }
+}
+
+void SettingsDialog::on_std_change_color_clicked()
+{
+    updateColor(current_style.standard_color);
+}
+
+void SettingsDialog::on_pre_change_color_clicked()
+{
+    updateColor(current_style.preformatted_color);
+}
+
+void SettingsDialog::on_h1_change_color_clicked()
+{
+    updateColor(current_style.h1_color);
+}
+
+void SettingsDialog::on_h2_change_color_clicked()
+{
+    updateColor(current_style.h2_color);
+}
+
+void SettingsDialog::on_h3_change_color_clicked()
+{
+    updateColor(current_style.h3_color);
+}
+
+void SettingsDialog::on_bg_change_color_clicked()
+{
+    updateColor(current_style.background_color);
+}
+
+void SettingsDialog::on_link_local_change_color_clicked()
+{
+    updateColor(current_style.internal_link_color);
+}
+
+void SettingsDialog::on_link_foreign_change_color_clicked()
+{
+    updateColor(current_style.external_link_color);
+}
+
+void SettingsDialog::on_link_cross_change_color_clicked()
+{
+    updateColor(current_style.cross_scheme_link_color);
+}
+
+void SettingsDialog::on_link_local_prefix_textChanged(const QString &text)
+{
+    current_style.internal_link_prefix = text;
+    reloadStylePreview();
+}
+
+void SettingsDialog::on_link_foreign_prefix_textChanged(const QString &text)
+{
+    current_style.external_link_prefix = text;
+    reloadStylePreview();
+}
+
+void SettingsDialog::on_auto_theme_currentIndexChanged(int index)
+{
+    if(index >= 0) {
+        current_style.theme = GeminiStyle::Theme(index);
+        reloadStylePreview();
+    }
+}
+
+void SettingsDialog::on_preview_url_textChanged(const QString &arg1)
+{
+    this->reloadStylePreview();
+}