From 6e0616d35b3359ef6610696b1a0300cec809f0fb Mon Sep 17 00:00:00 2001
From: Moritz Lipp <mlq@pwmt.org>
Date: Tue, 13 Apr 2010 00:22:56 +0200
Subject: [PATCH] Draw marked area

This commit draws an rectangle in the marked area.
---
 config.def.h |  1 +
 zathura.c    | 32 ++++++++++++++++++++++++++++++++
 2 files changed, 33 insertions(+)

diff --git a/config.def.h b/config.def.h
index e471ca3..6181d03 100644
--- a/config.def.h
+++ b/config.def.h
@@ -41,6 +41,7 @@ static const char recolor_darkcolor[]      = "#353535";
 static const char recolor_lightcolor[]     = "#DBDBDB";
 
 static const char search_highlight[]       = "#9FBC00";
+static const char select_text[]            = "#000000";
 
 /* statusbar */
 static const char DEFAULT_TEXT[] = "[No Name]";
diff --git a/zathura.c b/zathura.c
index ba65abd..5948654 100644
--- a/zathura.c
+++ b/zathura.c
@@ -185,6 +185,7 @@ struct
     GdkColor recolor_darkcolor;
     GdkColor recolor_lightcolor;
     GdkColor search_highlight;
+    GdkColor select_text;
     PangoFontDescription *font;
   } Style;
 
@@ -203,6 +204,12 @@ struct
     int       adjust_mode;
   } Global;
 
+  struct
+  {
+    gdouble x;
+    gdouble y;
+  } SelectPoint;
+
   struct
   {
     char* filename;
@@ -250,6 +257,7 @@ struct
     GStaticMutex pdflib_lock;
     GStaticMutex pdf_obj_lock;
     GStaticMutex search_lock;
+    GStaticMutex select_lock;
   } Lock;
 
   struct
@@ -408,6 +416,7 @@ init_zathura()
   g_static_mutex_init(&(Zathura.Lock.pdflib_lock));
   g_static_mutex_init(&(Zathura.Lock.search_lock));
   g_static_mutex_init(&(Zathura.Lock.pdf_obj_lock));
+  g_static_mutex_init(&(Zathura.Lock.select_lock));
 
   /* look */
   gdk_color_parse(default_fgcolor,        &(Zathura.Style.default_fg));
@@ -429,6 +438,7 @@ init_zathura()
   gdk_color_parse(recolor_darkcolor,      &(Zathura.Style.recolor_darkcolor));
   gdk_color_parse(recolor_lightcolor,     &(Zathura.Style.recolor_lightcolor));
   gdk_color_parse(search_highlight,       &(Zathura.Style.search_highlight));
+  gdk_color_parse(select_text,            &(Zathura.Style.select_text));
   Zathura.Style.font = pango_font_description_from_string(font);
 
   /* other */
@@ -3334,12 +3344,34 @@ cb_view_button_pressed(GtkWidget* widget, GdkEventButton* event, gpointer data)
   if(!Zathura.PDF.document)
     return FALSE;
 
+  /* clean page */
+  draw(Zathura.PDF.page_number);
+  g_static_mutex_lock(&(Zathura.Lock.select_lock));
+  Zathura.SelectPoint.x = event->x;
+  Zathura.SelectPoint.y = event->y;
+  g_static_mutex_unlock(&(Zathura.Lock.select_lock));
+
   return TRUE;
 }
 
 gboolean
 cb_view_button_release(GtkWidget* widget, GdkEventButton* event, gpointer data)
 {
+  if(!Zathura.PDF.document)
+    return FALSE;
+
+  g_static_mutex_lock(&(Zathura.Lock.select_lock));
+  cairo_t *cairo = cairo_create(Zathura.PDF.surface);
+  cairo_set_source_rgba(cairo, Zathura.Style.select_text.red, Zathura.Style.select_text.green,
+      Zathura.Style.select_text.blue, TRANSPARENCY);
+
+  cairo_rectangle(cairo, event->x, event->y, (Zathura.SelectPoint.x - event->x), 
+      (Zathura.SelectPoint.y - event->y));
+  cairo_fill(cairo);
+  g_static_mutex_unlock(&(Zathura.Lock.select_lock));
+  gtk_widget_queue_draw(Zathura.UI.drawing_area);
+
+
   return TRUE;
 }