From 61527833ca4e985d62e4f343a41f859b10057519 Mon Sep 17 00:00:00 2001
From: ahrm <a.hr.mostafavi@gmail.com>
Date: Sat, 18 Feb 2023 19:45:02 +0330
Subject: [PATCH] Allow configuration of keyboard_* label background and text
 colors

---
 pdf_viewer/config.cpp                 |  4 ++++
 pdf_viewer/main.cpp                   |  2 ++
 pdf_viewer/pdf_view_opengl_widget.cpp | 13 +++++++++++--
 pdf_viewer/utils.cpp                  |  7 +++++++
 pdf_viewer/utils.h                    |  2 ++
 5 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/pdf_viewer/config.cpp b/pdf_viewer/config.cpp
index d5ecd302e..6234d8dd5 100644
--- a/pdf_viewer/config.cpp
+++ b/pdf_viewer/config.cpp
@@ -121,6 +121,8 @@ extern std::wstring DEFAULT_OPEN_FILE_PATH;
 extern std::wstring STATUS_BAR_FORMAT;
 extern bool INVERTED_HORIZONTAL_SCROLLING;
 extern bool TOC_JUMP_ALIGN_TOP;
+extern float KEYBOARD_SELECT_BACKGROUND_COLOR[4];
+extern float KEYBOARD_SELECT_TEXT_COLOR[4];
 
 template<typename T>
 void* generic_deserializer(std::wstringstream& stream, void* res_) {
@@ -434,6 +436,8 @@ ConfigManager::ConfigManager(const Path& default_path, const Path& auto_path ,co
 	configs.push_back({ L"status_bar_format", &STATUS_BAR_FORMAT, string_serializer, string_deserializer, nullptr });
 	configs.push_back({ L"inverted_horizontal_scrolling", &INVERTED_HORIZONTAL_SCROLLING, bool_serializer, bool_deserializer, bool_validator });
 	configs.push_back({ L"toc_jump_align_top", &TOC_JUMP_ALIGN_TOP, bool_serializer, bool_deserializer, bool_validator });
+	configs.push_back({ L"keyboard_select_background_color", &KEYBOARD_SELECT_BACKGROUND_COLOR, vec4_serializer, vec4_deserializer, nullptr });
+	configs.push_back({ L"keyboard_select_text_color", &KEYBOARD_SELECT_TEXT_COLOR, vec4_serializer, vec4_deserializer, nullptr });
 
 
 	std::wstring highlight_config_string = L"highlight_color_a";
diff --git a/pdf_viewer/main.cpp b/pdf_viewer/main.cpp
index 47c010bdb..5ac3bdf64 100644
--- a/pdf_viewer/main.cpp
+++ b/pdf_viewer/main.cpp
@@ -228,6 +228,8 @@ bool TOC_JUMP_ALIGN_TOP = false;
 float CUSTOM_COLOR_CONTRAST = 0.5f;
 float HIGHLIGHT_DELETE_THRESHOLD = 0.01f;
 float SCROLL_VIEW_SENSITIVITY = 1.0f;
+float KEYBOARD_SELECT_BACKGROUND_COLOR[] = { 0.9f , 0.75f, 0.0f, 1.0f};
+float KEYBOARD_SELECT_TEXT_COLOR[] = { 0.0f , 0.0f, 0.5f, 1.0f};
 
 Path default_config_path(L"");
 Path default_keys_path(L"");
diff --git a/pdf_viewer/pdf_view_opengl_widget.cpp b/pdf_viewer/pdf_view_opengl_widget.cpp
index d77e59712..d821e0ddf 100644
--- a/pdf_viewer/pdf_view_opengl_widget.cpp
+++ b/pdf_viewer/pdf_view_opengl_widget.cpp
@@ -31,6 +31,8 @@ extern float UNSELECTED_SEARCH_HIGHLIGHT_COLOR[3];
 extern int KEYBOARD_SELECT_FONT_SIZE;
 extern float CUSTOM_COLOR_CONTRAST;
 extern float DISPLAY_RESOLUTION_SCALE;
+extern float KEYBOARD_SELECT_BACKGROUND_COLOR[4];
+extern float KEYBOARD_SELECT_TEXT_COLOR[4];
 
 GLfloat g_quad_vertex[] = {
 	-1.0f, -1.0f,
@@ -1654,12 +1656,19 @@ void PdfViewOpenGLWidget::get_overview_size(float* width, float* height) {
 }
 
 void PdfViewOpenGLWidget::setup_text_painter(QPainter* painter) {
-	QBrush background_brush = QBrush(QColor(236, 200, 0));
+
+	int bgcolor[4];
+	int textcolor[4];
+
+	convert_color4(KEYBOARD_SELECT_BACKGROUND_COLOR, bgcolor);
+	convert_color4(KEYBOARD_SELECT_TEXT_COLOR, textcolor);
+
+	QBrush background_brush = QBrush(QColor(bgcolor[0], bgcolor[1], bgcolor[2], bgcolor[3]));
 	QFont font;
 	font.setPixelSize(KEYBOARD_SELECT_FONT_SIZE);
 	painter->setBackgroundMode(Qt::BGMode::OpaqueMode);
 	painter->setBackground(background_brush);
-	painter->setPen(QColor(0, 0, 128));
+	painter->setPen(QColor(textcolor[0], textcolor[1], textcolor[2], textcolor[3]));
 	painter->setFont(font);
 
 }
diff --git a/pdf_viewer/utils.cpp b/pdf_viewer/utils.cpp
index 3ae0982cd..f4f9a8e38 100644
--- a/pdf_viewer/utils.cpp
+++ b/pdf_viewer/utils.cpp
@@ -2240,3 +2240,10 @@ QString get_selected_stylesheet(bool nofont) {
         );
     }
 }
+
+void convert_color4(float* in_color, int* out_color) {
+	out_color[0] = (int)(in_color[0] * 255);
+	out_color[1] = (int)(in_color[1] * 255);
+	out_color[2] = (int)(in_color[2] * 255);
+	out_color[3] = (int)(in_color[3] * 255);
+}
diff --git a/pdf_viewer/utils.h b/pdf_viewer/utils.h
index 9693819a8..7501a79c0 100644
--- a/pdf_viewer/utils.h
+++ b/pdf_viewer/utils.h
@@ -207,3 +207,5 @@ void matmul(float m1[], float m2[], float result[]) {
 		}
 	}
 }
+
+void convert_color4(float* in_color, int* out_color);