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CComponentsText: paint text only on text change, add members to handle this

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It can be usefull to hold unchanged text to avoid unnecessary text
paintings. It's also also possible to force paint of text,
use forceTextPaint(). Use textChanged(), to evaluate current text changes.


Origin commit data
------------------
Branch: ni/coolstream
Commit: dfc6e2069e
Author: Thilo Graf <dbt@novatux.de>
Date: 2013-04-26 (Fri, 26 Apr 2013)



------------------
This commit was generated by Migit
This commit is contained in:
Thilo Graf
2013-04-26 16:41:55 +02:00
parent dadaa268a5
commit a32782392c
2 changed files with 44 additions and 33 deletions
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37
src/gui/components/cc.h
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@@ -32,7 +32,7 @@
#include <string>
#include <driver/pictureviewer/pictureviewer.h>
// #define DEBUG_CC
//#define DEBUG_CC
class CComponents
{
@@ -185,8 +185,8 @@ class CComponentsText : public CComponentsItem
fb_pixel_t ct_col_text;
int ct_text_mode; //see textbox.h for possible modes
std::string ct_text;
bool ct_text_sent, ct_paint_textbg;
std::string ct_text, ct_old_text;
bool ct_text_sent, ct_paint_textbg, ct_force_text_paint;
static std::string iToString(int int_val); //helper to convert int to string
@@ -202,21 +202,38 @@ class CComponentsText : public CComponentsItem
fb_pixel_t color_text = COL_MENUCONTENT, fb_pixel_t color_frame = COL_MENUCONTENT_PLUS_6, fb_pixel_t color_body = COL_MENUCONTENT_PLUS_0, fb_pixel_t color_shadow = COL_MENUCONTENTDARK_PLUS_0);
virtual ~CComponentsText();
void hide(bool no_restore = false);
void paint(bool do_save_bg = CC_SAVE_SCREEN_YES);
//default members to paint a text box and hide painted text
//hide textbox
void hide(bool no_restore = false);
//paint text box, parameter do_save_bg: default = true, causes fill of backckrond pixel buffer
void paint(bool do_save_bg = CC_SAVE_SCREEN_YES);
//send options for text font (size and type), color and mode (allignment)
virtual inline void setTextFont(Font* font_text){ct_font = font_text;};
virtual inline void setTextColor(fb_pixel_t color_text){ ct_col_text = color_text;};
virtual inline void setTextMode(const int mode){ct_text_mode = mode;};//see textbox.h for possible modes
//see textbox.h for possible allignment modes
virtual inline void setTextMode(const int mode){ct_text_mode = mode;};
//send option to CTextBox object to paint background box behind text or not
virtual inline void doPaintTextBoxBg(bool do_paintbox_bg){ ct_paint_textbg = do_paintbox_bg;};
virtual void setText(const char* ctext, const int mode = ~CTextBox::AUTO_WIDTH, Font* font_text = NULL);
//sets text mainly with string also possible with overloades members for loacales, const char and text file
virtual void setText(const std::string& stext, const int mode = ~CTextBox::AUTO_WIDTH, Font* font_text = NULL);
virtual void setText(const char* ctext, const int mode = ~CTextBox::AUTO_WIDTH, Font* font_text = NULL);
virtual void setText(neutrino_locale_t locale_text, const int mode = ~CTextBox::AUTO_WIDTH, Font* font_text = NULL);
virtual void setText(const int digit, const int mode = ~CTextBox::AUTO_WIDTH, Font* font_text = NULL);
virtual bool setTextFromFile(const std::string& path_to_textfile, const int mode = ~CTextBox::AUTO_WIDTH, Font* font_text = NULL);
virtual void removeLineBreaks(std::string& str);
//get a Text Box object, so it's possible to get access directly to its methods
//helper to remove linebreak chars from a string if needed
virtual void removeLineBreaks(std::string& str);
//returns true, if text was changed
virtual bool textChanged(){return ct_old_text != ct_text;};
//force paint of text even if text was changed or not
virtual void forceTextPaint(bool force_text_paint = true){ct_force_text_paint = force_text_paint;};
//gets the embedded CTextBox object, so it's possible to get access directly to its methods and properties
virtual CTextBox* getCTextBoxObject() { return ct_textbox; };
};