| /*************************************************************************** |
| * __________ __ ___. |
| * Open \______ \ ____ ____ | | _\_ |__ _______ ___ |
| * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / |
| * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < |
| * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ |
| * \/ \/ \/ \/ \/ |
| * $Id$ |
| * |
| * Copyright (C) Jonathan Gordon (2006) |
| * |
| * All files in this archive are subject to the GNU General Public License. |
| * See the file COPYING in the source tree root for full license agreement. |
| * |
| * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY |
| * KIND, either express or implied. |
| * |
| ****************************************************************************/ |
| #include "config.h" |
| #include "stdarg.h" |
| #include "string.h" |
| #include "stdio.h" |
| #include "kernel.h" |
| #include "system.h" |
| #include "screen_access.h" |
| #include "font.h" |
| #include "debug.h" |
| #include "misc.h" |
| #include "settings.h" |
| #include "scrollbar.h" |
| #include "lang.h" |
| #include "splash.h" |
| #include "action.h" |
| |
| /* structure for color info */ |
| struct rgb_pick |
| { |
| unsigned color; /* native color value */ |
| union |
| { |
| unsigned char rgb_val[6]; /* access to components as array */ |
| struct |
| { |
| unsigned char r; /* native red value */ |
| unsigned char g; /* native green value */ |
| unsigned char b; /* native blue value */ |
| unsigned char red; /* 8 bit red value */ |
| unsigned char green; /* 8 bit green value */ |
| unsigned char blue; /* 8 bit blue value */ |
| } __attribute__ ((__packed__)); /* assume byte packing */ |
| }; |
| }; |
| |
| /* maximum values for components */ |
| static const unsigned char max_val[3] = |
| { |
| LCD_MAX_RED, |
| LCD_MAX_GREEN, |
| LCD_MAX_BLUE |
| }; |
| |
| /* list of primary colors */ |
| static const unsigned prim_rgb[3] = |
| { |
| LCD_RGBPACK(255, 0, 0), |
| LCD_RGBPACK(0, 255, 0), |
| LCD_RGBPACK(0, 0 ,255), |
| }; |
| |
| /* Unpacks the color value into native rgb values and 24 bit rgb values */ |
| static void unpack_rgb(struct rgb_pick *rgb) |
| { |
| unsigned color = rgb->color; |
| #if LCD_PIXELFORMAT == RGB565SWAPPED |
| color = swap16(color); |
| #endif |
| rgb->red = _RGB_UNPACK_RED(color); |
| rgb->green = _RGB_UNPACK_GREEN(color); |
| rgb->blue = _RGB_UNPACK_BLUE(color); |
| rgb->r = (color & 0xf800) >> 11; |
| rgb->g = (color & 0x07e0) >> 5; |
| rgb->b = (color & 0x001f); |
| } |
| |
| /* Packs the native rgb colors into a color value */ |
| static void pack_rgb(struct rgb_pick *rgb) |
| { |
| unsigned color = (rgb->r & 0x1f) << 11 | |
| (rgb->g & 0x3f) << 5 | |
| (rgb->b & 0x1f); |
| #if LCD_PIXELFORMAT == RGB565SWAPPED |
| color = swap16(color); |
| #endif |
| rgb->color = color; |
| } |
| |
| /* Returns LCD_BLACK if the color is above a threshold brightness |
| else return LCD_WHITE */ |
| static inline unsigned get_black_or_white(const struct rgb_pick *rgb) |
| { |
| return (4*rgb->r + 5*rgb->g + 2*rgb->b) >= 256 ? |
| LCD_BLACK : LCD_WHITE; |
| } |
| |
| #define MARGIN_LEFT 2 /* Left margin of screen */ |
| #define MARGIN_TOP 4 /* Top margin of screen */ |
| #define MARGIN_RIGHT 2 /* Right margin of screen */ |
| #define MARGIN_BOTTOM 4 /* Bottom margin of screen */ |
| #define SLIDER_MARGIN_LEFT 2 /* Gap to left of sliders */ |
| #define SLIDER_MARGIN_RIGHT 2 /* Gap to right of sliders */ |
| #define TITLE_MARGIN_BOTTOM 4 /* Space below title bar */ |
| #define SELECTOR_LR_MARGIN 1 /* Margin between ">" and text */ |
| #define SELECTOR_TB_MARGIN 1 /* Margin on top and bottom of selector */ |
| #define SWATCH_TOP_MARGIN 4 /* Space between last slider and swatch */ |
| |
| /* dunno why lcd_set_drawinfo should be left out of struct screen */ |
| static void set_drawinfo(struct screen *display, int mode, |
| unsigned foreground, unsigned background) |
| { |
| display->set_drawmode(mode); |
| if (display->depth > 1) |
| { |
| display->set_foreground(foreground); |
| display->set_background(background); |
| } |
| } |
| |
| static void draw_screen(struct screen *display, char *title, |
| struct rgb_pick *rgb, int row) |
| { |
| unsigned text_color = LCD_BLACK; |
| unsigned background_color = LCD_WHITE; |
| char buf[32]; |
| int i, x, y; |
| int text_top; |
| int slider_left, slider_width; |
| bool display_three_rows; |
| int max_label_width; |
| |
| display->clear_display(); |
| |
| if (display->depth > 1) |
| { |
| text_color = display->get_foreground(); |
| background_color = display->get_background(); |
| } |
| |
| /* Find out if there's enought room for three slider or just |
| enought to display the selected slider */ |
| display_three_rows = display->height >= display->char_height*4 + |
| MARGIN_TOP + |
| TITLE_MARGIN_BOTTOM + |
| MARGIN_BOTTOM; |
| |
| /* Figure out widest label character in case they vary */ |
| for (i = 0, max_label_width = 0; i < 3; i++) |
| { |
| buf[0] = str(LANG_COLOR_RGB_LABELS)[i]; |
| buf[1] = '\0'; |
| x = display->getstringsize(buf, NULL, NULL); |
| if (x > max_label_width) |
| max_label_width = x; |
| } |
| |
| /* Draw title string */ |
| set_drawinfo(display, DRMODE_SOLID, text_color, background_color); |
| display->getstringsize(title, &x, &y); |
| display->putsxy((display->width - x) / 2, MARGIN_TOP, title); |
| |
| /* Get slider positions and top starting position */ |
| text_top = MARGIN_TOP + y + TITLE_MARGIN_BOTTOM + SELECTOR_TB_MARGIN; |
| slider_left = MARGIN_LEFT + SELECTOR_LR_MARGIN + display->char_width + |
| max_label_width + SLIDER_MARGIN_LEFT; |
| slider_width = display->width - slider_left - SLIDER_MARGIN_RIGHT - |
| SELECTOR_LR_MARGIN - display->char_width*3 - MARGIN_RIGHT; |
| |
| for (i = 0; i < 3; i++) |
| { |
| int mode = DRMODE_SOLID; |
| unsigned fg = text_color; |
| unsigned bg = background_color; |
| |
| if (!display_three_rows) |
| i = row; |
| |
| if (i == row) |
| { |
| set_drawinfo(display, DRMODE_SOLID, text_color, |
| background_color); |
| |
| if (global_settings.invert_cursor) |
| { |
| /* Draw solid bar selection bar */ |
| display->fillrect(0, |
| text_top - SELECTOR_TB_MARGIN, |
| display->width, |
| display->char_height + |
| SELECTOR_TB_MARGIN*2); |
| |
| if (display->depth == 1) |
| { |
| /* Just invert for low mono display */ |
| mode |= DRMODE_INVERSEVID; |
| } |
| else |
| { |
| if (display->depth >= 16) |
| { |
| /* Backdrops will show through text in |
| DRMODE_SOLID */ |
| mode = DRMODE_FG; |
| fg = prim_rgb[i]; |
| } |
| else |
| { |
| fg = background_color; |
| } |
| |
| bg = text_color; |
| } |
| } |
| else if (display_three_rows) |
| { |
| /* Draw "> <" around sliders */ |
| display->putsxy(MARGIN_LEFT, text_top, ">"); |
| display->putsxy(display->width-display->char_width - |
| MARGIN_RIGHT, text_top, "<"); |
| if (display->depth >= 16) |
| fg = prim_rgb[i]; |
| } |
| } |
| |
| set_drawinfo(display, mode, fg, bg); |
| |
| /* Draw label - assumes labels are one character */ |
| buf[0] = str(LANG_COLOR_RGB_LABELS)[i]; |
| buf[1] = '\0'; |
| display->putsxy(slider_left - display->char_width - |
| SLIDER_MARGIN_LEFT, text_top, buf); |
| |
| /* Draw color value */ |
| snprintf(buf, 3, "%02d", rgb->rgb_val[i]); |
| display->putsxy(slider_left + slider_width + SLIDER_MARGIN_RIGHT, |
| text_top, buf); |
| |
| /* Draw scrollbar */ |
| gui_scrollbar_draw(display, |
| slider_left, |
| text_top + display->char_height / 4, |
| slider_width, |
| display->char_height / 2, |
| max_val[i], |
| 0, |
| rgb->rgb_val[i], |
| HORIZONTAL); |
| |
| /* Advance to next line */ |
| text_top += display->char_height + 2*SELECTOR_TB_MARGIN; |
| |
| if (!display_three_rows) |
| break; |
| } |
| |
| /* Format RGB: #rrggbb */ |
| snprintf(buf, sizeof(buf), str(LANG_COLOR_RGB_VALUE), |
| rgb->red, rgb->green, rgb->blue); |
| |
| if (display->depth >= 16) |
| { |
| /* Display color swatch on color screens only */ |
| int left = slider_left; |
| int top = text_top + SWATCH_TOP_MARGIN; |
| int width = display->width - slider_left - left; |
| int height = display->height - top - MARGIN_BOTTOM; |
| |
| display->setfont(FONT_SYSFIXED); |
| |
| /* Only draw if room */ |
| if (height >= display->char_height + 2) |
| { |
| display->set_foreground(rgb->color); |
| display->fillrect(left, top, width, height); |
| |
| /* Draw RGB: #rrggbb in middle of swatch */ |
| display->set_drawmode(DRMODE_FG); |
| display->getstringsize(buf, &x, &y); |
| display->set_foreground(get_black_or_white(rgb)); |
| |
| x = left + (width - x) / 2; |
| y = top + (height - y) / 2; |
| |
| display->putsxy(x, y, buf); |
| display->set_drawmode(DRMODE_SOLID); |
| |
| /* Draw border */ |
| display->set_foreground(text_color); |
| display->drawrect(left - 1, top - 1, width + 2, height + 2); |
| } |
| |
| display->setfont(FONT_UI); |
| } |
| else |
| { |
| /* Display RGB value only centered on remaining display if room */ |
| display->getstringsize(buf, &x, &y); |
| i = text_top + SWATCH_TOP_MARGIN; |
| |
| if (i + y <= display->height - MARGIN_BOTTOM) |
| { |
| set_drawinfo(display, DRMODE_SOLID, text_color, background_color); |
| x = (display->width - x) / 2; |
| y = (i + display->height - MARGIN_BOTTOM - y) / 2; |
| display->putsxy(x, y, buf); |
| } |
| } |
| |
| display->update(); |
| /* Be sure screen mode is reset */ |
| set_drawinfo(display, DRMODE_SOLID, text_color, background_color); |
| } |
| |
| /*********** |
| set_color |
| returns true if USB was inserted, false otherwise |
| color is a pointer to the colour (in native format) to modify |
| set banned_color to -1 to allow all |
| ***********/ |
| bool set_color(struct screen *display, char *title, int* color, int banned_color) |
| { |
| int exit = 0, button, slider = 0; |
| int i; |
| struct rgb_pick rgb; |
| (void)display; |
| |
| rgb.color = *color; |
| |
| while (!exit) |
| { |
| unpack_rgb(&rgb); |
| |
| FOR_NB_SCREENS(i) |
| { |
| draw_screen(&screens[i], title, &rgb, slider); |
| } |
| |
| button = get_action(CONTEXT_SETTINGS_COLOURCHOOSER, TIMEOUT_BLOCK); |
| |
| switch (button) |
| { |
| case ACTION_STD_PREV: |
| case ACTION_STD_PREVREPEAT: |
| slider = (slider + 2) % 3; |
| break; |
| |
| case ACTION_STD_NEXT: |
| case ACTION_STD_NEXTREPEAT: |
| slider = (slider + 1) % 3; |
| break; |
| |
| case ACTION_SETTINGS_INC: |
| case ACTION_SETTINGS_INCREPEAT: |
| if (rgb.rgb_val[slider] < max_val[slider]) |
| rgb.rgb_val[slider]++; |
| pack_rgb(&rgb); |
| break; |
| |
| case ACTION_SETTINGS_DEC: |
| case ACTION_SETTINGS_DECREPEAT: |
| if (rgb.rgb_val[slider] > 0) |
| rgb.rgb_val[slider]--; |
| pack_rgb(&rgb); |
| break; |
| |
| case ACTION_STD_OK: |
| if (banned_color != -1 && (unsigned)banned_color == rgb.color) |
| { |
| gui_syncsplash(HZ*2, true, str(LANG_COLOR_UNACCEPTABLE)); |
| break; |
| } |
| *color = rgb.color; |
| exit = 1; |
| break; |
| |
| case ACTION_STD_CANCEL: |
| exit = 1; |
| break; |
| |
| default: |
| if (default_event_handler(button) == SYS_USB_CONNECTED) |
| return true; |
| break; |
| } |
| } |
| |
| action_signalscreenchange(); |
| return false; |
| } |