From e43b78ac466588d8a0bc95efd7b476495739c47a Mon Sep 17 00:00:00 2001
From: Linus Nielsen Feltzing <linus@haxx.se>
Date: Wed, 16 Apr 2003 00:12:31 +0000
Subject: Magnus Öman's long awaited inverted cursor patch
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@3565 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/drivers/lcd-recorder.c | 27 ++++++++++++++++++++++++---
 firmware/export/lcd.h           |  6 ++++++
 2 files changed, 30 insertions(+), 3 deletions(-)

(limited to 'firmware')

diff --git a/firmware/drivers/lcd-recorder.c b/firmware/drivers/lcd-recorder.c
index 6665ea88dc..fcb7d306b8 100644
--- a/firmware/drivers/lcd-recorder.c
+++ b/firmware/drivers/lcd-recorder.c
@@ -81,6 +81,7 @@ struct scrollinfo {
     int starty;
     bool backward; /* scroll presently forward or backward? */
     bool bidir;
+    bool invert; /* invert the scrolled text */
     long start_tick;
 };
 
@@ -269,6 +270,11 @@ int lcd_getstringsize(unsigned char *str, int *w, int *h)
 
 /* put a string at a given char position */
 void lcd_puts(int x, int y, unsigned char *str)
+{
+    lcd_puts_style(x, y, str, STYLE_DEFAULT);
+}
+
+void lcd_puts_style(int x, int y, unsigned char *str, int style)
 {
     int xpos,ypos,w,h;
 
@@ -294,6 +300,8 @@ void lcd_puts(int x, int y, unsigned char *str)
     ypos = ymargin + y*h;
     lcd_putsxy(xpos, ypos, str);
     lcd_clearrect(xpos + w, ypos, LCD_WIDTH - (xpos + w), h);
+    if (style & STYLE_INVERT)
+        lcd_invertrect(xpos, ypos, LCD_WIDTH - xpos, h);
 
 #if defined(SIMULATOR) && defined(HAVE_LCD_CHARCELLS)
     lcd_update();
@@ -670,14 +678,19 @@ void lcd_invertpixel(int x, int y)
     INVERT_PIXEL(x,y);
 }
 
-void lcd_puts_scroll(int x, int y, unsigned char* string)
+void lcd_puts_scroll(int x, int y, unsigned char *string)
+{
+    lcd_puts_scroll_style(x, y, string, STYLE_DEFAULT);
+}
+
+void lcd_puts_scroll_style(int x, int y, unsigned char *string, int style)
 {
     struct scrollinfo* s;
     int w, h;
     int index;
     int free_index=0;
 
-    DEBUGF("puts_scroll: %s\n", string);
+    DEBUGF("puts_scroll_style: %s\n", string);
     
     for (index = 0; index < SCROLLABLE_LINES; index++) {
         s = &scroll[index];
@@ -698,8 +711,14 @@ void lcd_puts_scroll(int x, int y, unsigned char* string)
     index=free_index;
     s = &scroll[index]; /* get the proper 's' */
     s->start_tick = current_tick + scroll_delay;
+    s->invert = false;
+    if (style & STYLE_INVERT) {
+        s->invert = true;
+        lcd_puts_style(x,y,string,STYLE_INVERT);
+    }
+    else
+        lcd_puts(x,y,string);
 
-    lcd_puts(x,y,string);
     lcd_getstringsize(string, &w, &h);
 
     if (LCD_WIDTH - x * 8 - xmargin < w) {
@@ -819,6 +838,8 @@ static void scroll_thread(void)
 
             lcd_clearrect(xpos, ypos, LCD_WIDTH - xmargin, h);
             lcd_putsxyofs(xpos, ypos, s->offset, s->line);
+            if (s->invert)
+                lcd_invertrect(xpos, ypos, LCD_WIDTH - xmargin, h);
             lcd_update_rect(xpos, ypos, LCD_WIDTH - xmargin, h);
         }
 
diff --git a/firmware/export/lcd.h b/firmware/export/lcd.h
index 74bbcc304e..45d9296555 100644
--- a/firmware/export/lcd.h
+++ b/firmware/export/lcd.h
@@ -24,14 +24,20 @@
 #include "sh7034.h"
 #include "config.h"
 
+#define STYLE_DEFAULT 0
+#define STYLE_INVERT  1
+
 /* common functions */
 extern void lcd_init(void);
 extern void lcd_clear_display(void);
 extern void lcd_backlight(bool on);
 extern void lcd_puts(int x, int y, unsigned char *string);
+extern void lcd_puts_style(int x, int y, unsigned char *string, int style);
 extern void lcd_putc(int x, int y, unsigned short ch);
 
 extern void lcd_puts_scroll(int x, int y, unsigned char* string );
+extern void lcd_puts_scroll_style(int x, int y, unsigned char* string,
+                                  int style);
 extern void lcd_icon(int icon, bool enable);
 extern void lcd_stop_scroll(void);
 extern void lcd_scroll_speed( int speed );
-- 
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