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some changes to use of display_text.

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* add parameter, wait_key to display_text().
 - set this true to wait button press after all words is displayed.
* use ARRAYLEN macro instead of #define WORDS
* add macro to indicate end of style array.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24846 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Teruaki Kawashima 2010-02-22 07:17:15 +00:00
parent 04067fd7a0
commit 56d29e8977
13 changed files with 91 additions and 166 deletions
Download patch file Download diff file Expand all files Collapse all files

30
apps/plugins/lib/display_text.c
View file

@ -28,8 +28,20 @@
#define MARGIN 5
#endif
bool display_text(short words, char** text, struct style_text* style,
struct viewport* vp_text)
static bool wait_key_press(void)
{
int button;
do {
button = rb->button_get(true);
if ( rb->default_event_handler( button ) == SYS_USB_CONNECTED )
return true;
} while( ( button == BUTTON_NONE )
|| ( button & (BUTTON_REL|BUTTON_REPEAT) ) );
return false;
}
bool display_text(unsigned short words, char** text, struct style_text* style,
struct viewport* vp_text, bool wait_key)
{
#ifdef HAVE_LCD_BITMAP
int prev_drawmode;
@ -41,7 +53,6 @@ bool display_text(short words, char** text, struct style_text* style,
unsigned short x , y;
unsigned short vp_width = LCD_WIDTH;
unsigned short vp_height = LCD_HEIGHT;
int button;
unsigned short i = 0, style_index = 0;
if (vp_text != NULL) {
vp_width = vp_text->width;
@ -76,12 +87,8 @@ bool display_text(short words, char** text, struct style_text* style,
if (y + height > vp_height - MARGIN) {
y = MARGIN;
rb->screens[SCREEN_MAIN]->update_viewport();
do {
button = rb->button_get(true);
if ( rb->default_event_handler( button ) == SYS_USB_CONNECTED )
return true;
} while( ( button == BUTTON_NONE )
|| ( button & (BUTTON_REL|BUTTON_REPEAT) ) );
if (wait_key_press())
return true;
rb->screens[SCREEN_MAIN]->clear_viewport();
}
/* no text formatting available */
@ -134,5 +141,10 @@ bool display_text(short words, char** text, struct style_text* style,
#ifdef HAVE_LCD_BITMAP
rb->lcd_set_drawmode(prev_drawmode);
#endif
if (wait_key)
{
if (wait_key_press())
return true;
}
return false;
}