aboutsummaryrefslogtreecommitdiff
path: root/geminirenderer.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'geminirenderer.cpp')
-rw-r--r--geminirenderer.cpp131
1 files changed, 105 insertions, 26 deletions
diff --git a/geminirenderer.cpp b/geminirenderer.cpp
index 37fe4b4..42dcd04 100644
--- a/geminirenderer.cpp
+++ b/geminirenderer.cpp
@@ -1,7 +1,10 @@
#include "geminirenderer.hpp"
#include <QTextList>
+#include <QCryptographicHash>
#include <QTextBlock>
+#include <QDebug>
+#include <cmath>
static QByteArray trim_whitespace(QByteArray items)
{
@@ -17,6 +20,7 @@ static QByteArray trim_whitespace(QByteArray items)
}
GeminiStyle::GeminiStyle() :
+ theme(Fixed),
standard_font(),
h1_font(),
h2_font(),
@@ -24,6 +28,7 @@ GeminiStyle::GeminiStyle() :
preformatted_font(),
background_color(0xFF, 0xFF, 0xFF),
standard_color(0x00, 0x00, 0x00),
+ preformatted_color(0x00, 0x00, 0x00),
h1_color(0xFF, 0x00, 0x00),
h2_color(0x00, 0x80, 0x00),
h3_color(0x80, 0xFF, 0x00),
@@ -31,7 +36,8 @@ GeminiStyle::GeminiStyle() :
external_link_color(0x00, 0x00, 0xFF),
cross_scheme_link_color(0x80, 0x00, 0xFF),
internal_link_prefix("→ "),
- external_link_prefix("⇒ ")
+ external_link_prefix("⇒ "),
+ margin(55.0)
{
preformatted_font.setFamily("monospace");
preformatted_font.setPointSizeF(10.0);
@@ -52,47 +58,109 @@ GeminiStyle::GeminiStyle() :
h3_font.setPointSizeF(12.0);
}
+GeminiStyle GeminiStyle::derive(const QUrl &url) const
+{
+ if(this->theme == Fixed)
+ return *this;
+
+ QByteArray hash = QCryptographicHash::hash(url.host().toUtf8(), QCryptographicHash::Md5);
+
+ std::array<uint8_t, 16> items;
+ assert(items.size() == hash.size());
+ memcpy(items.data(), hash.data(), items.size());
+
+ float hue = (items[0] + items[1]) / 510.0;
+ float saturation = items[2] / 255.0;
+
+ double tmp;
+ GeminiStyle themed = *this;
+ switch(this->theme)
+ {
+ case AutoDarkTheme: {
+ themed.background_color = QColor::fromHslF(hue, saturation, 0.25f);
+ themed.standard_color = QColor { 0xFF, 0xFF, 0xFF };
+
+ themed.h1_color = QColor::fromHslF(std::modf(hue + 0.5, &tmp), 1.0 - saturation, 0.75);
+ themed.h2_color = QColor::fromHslF(std::modf(hue + 0.5, &tmp), 1.0 - saturation, 0.75);
+ themed.h3_color = QColor::fromHslF(std::modf(hue + 0.5, &tmp), 1.0 - saturation, 0.75);
+
+ themed.external_link_color = QColor::fromHslF(std::modf(hue + 0.25, &tmp), 1.0, 0.75);
+ themed.internal_link_color = themed.external_link_color.lighter(110);
+ themed.cross_scheme_link_color = themed.external_link_color.darker(110);
+
+ break;
+ }
+
+ case AutoLightTheme: {
+ themed.background_color = QColor::fromHslF(hue, items[2] / 255.0, 0.85);
+ themed.standard_color = QColor { 0x00, 0x00, 0x00 };
+
+ themed.h1_color = QColor::fromHslF(std::modf(hue + 0.5, &tmp), 1.0 - saturation, 0.25);
+ themed.h2_color = QColor::fromHslF(std::modf(hue + 0.5, &tmp), 1.0 - saturation, 0.25);
+ themed.h3_color = QColor::fromHslF(std::modf(hue + 0.5, &tmp), 1.0 - saturation, 0.25);
+
+ themed.external_link_color = QColor::fromHslF(std::modf(hue + 0.25, &tmp), 1.0, 0.25);
+ themed.internal_link_color = themed.external_link_color.darker(110);
+ themed.cross_scheme_link_color = themed.external_link_color.lighter(110);
+
+ break;
+ }
+
+ case Fixed:
+ assert(false);
+ }
+
+ // Same for all themes
+ themed.preformatted_color = themed.standard_color;
+
+ return themed;
+}
+
GeminiRenderer::GeminiRenderer(GeminiStyle const & _style) :
style(_style)
{
}
-std::unique_ptr<QTextDocument> GeminiRenderer::render(const QByteArray &input, QUrl const & root_url, DocumentOutlineModel &outline)
+std::unique_ptr<GeminiDocument> GeminiRenderer::render(const QByteArray &input, QUrl const & root_url, DocumentOutlineModel &outline)
{
+ auto themed_style = style.derive(root_url);
QTextCharFormat preformatted;
- preformatted.setFont(style.preformatted_font);
+ preformatted.setFont(themed_style.preformatted_font);
+ preformatted.setForeground(themed_style.preformatted_color);
QTextCharFormat standard;
- standard.setFont(style.standard_font);
+ standard.setFont(themed_style.standard_font);
+ standard.setForeground(themed_style.standard_color);
QTextCharFormat standard_link;
- standard_link.setFont(style.standard_font);
- standard_link.setForeground(QBrush(style.internal_link_color));
+ standard_link.setFont(themed_style.standard_font);
+ standard_link.setForeground(QBrush(themed_style.internal_link_color));
QTextCharFormat external_link;
- external_link.setFont(style.standard_font);
- external_link.setForeground(QBrush(style.external_link_color));
+ external_link.setFont(themed_style.standard_font);
+ external_link.setForeground(QBrush(themed_style.external_link_color));
QTextCharFormat cross_protocol_link;
- cross_protocol_link.setFont(style.standard_font);
- cross_protocol_link.setForeground(QBrush(style.cross_scheme_link_color));
+ cross_protocol_link.setFont(themed_style.standard_font);
+ cross_protocol_link.setForeground(QBrush(themed_style.cross_scheme_link_color));
QTextCharFormat standard_h1;
- standard_h1.setFont(style.h1_font);
- standard_h1.setForeground(QBrush(style.h1_color));
+ standard_h1.setFont(themed_style.h1_font);
+ standard_h1.setForeground(QBrush(themed_style.h1_color));
QTextCharFormat standard_h2;
- standard_h2.setFont(style.h2_font);
- standard_h2.setForeground(QBrush(style.h2_color));
+ standard_h2.setFont(themed_style.h2_font);
+ standard_h2.setForeground(QBrush(themed_style.h2_color));
QTextCharFormat standard_h3;
- standard_h3.setFont(style.h3_font);
- standard_h3.setForeground(QBrush(style.h3_color));
+ standard_h3.setFont(themed_style.h3_font);
+ standard_h3.setForeground(QBrush(themed_style.h3_color));
- std::unique_ptr<QTextDocument> result = std::make_unique<QTextDocument>();
- result->setDocumentMargin(55.0);
+ std::unique_ptr<GeminiDocument> result = std::make_unique<GeminiDocument>();
+ result->setDocumentMargin(themed_style.margin);
+ result->background_color = themed_style.background_color;
QTextCursor cursor { result.get() };
@@ -181,7 +249,13 @@ std::unique_ptr<QTextDocument> GeminiRenderer::render(const QByteArray &input, Q
// qDebug() << link << title;
auto fmt = standard_link;
- if(not local_url.isRelative()) {
+
+ QString prefix;
+ if(absolute_url.host() == root_url.host()) {
+ prefix = themed_style.internal_link_prefix;
+ fmt = standard_link;
+ } else {
+ prefix = themed_style.external_link_prefix;
fmt = external_link;
}
@@ -191,13 +265,6 @@ std::unique_ptr<QTextDocument> GeminiRenderer::render(const QByteArray &input, Q
fmt = cross_protocol_link;
}
- QString prefix = "";
- if(local_url.isRelative() or absolute_url.host() == root_url.host()) {
- prefix = style.internal_link_prefix;
- } else {
- prefix = style.external_link_prefix;
- }
-
fmt.setAnchor(true);
fmt.setAnchorHref(absolute_url.toString());
cursor.insertText(prefix + title + suffix + "\n", fmt);
@@ -214,3 +281,15 @@ std::unique_ptr<QTextDocument> GeminiRenderer::render(const QByteArray &input, Q
outline.endBuild();
return result;
}
+
+GeminiDocument::GeminiDocument(QObject * parent) :
+ QTextDocument(parent),
+ background_color(0x00, 0x00, 0x00)
+{
+
+}
+
+GeminiDocument::~GeminiDocument()
+{
+
+}
generated by cgit v1.2.3 (git 2.39.1) at 2026-06-14 20:37:31 +0000