BeRTOS
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00001 00038 #include "editint.h" 00039 00040 #include <cfg/macros.h> 00041 00042 #include <dt/dwidget.h> 00043 #include <dt/dtag.h> 00044 #include <dt/dnotifier.h> 00045 00046 #include <drv/lcd_text.h> 00047 00051 void editint_init(DEditInt *e, dpos_t pos, dpos_t size, dcontext_t *context, int *value, int min, int max) 00052 { 00053 // Initialize superclass 00054 widget_init(&e->widget, pos, size, context); 00055 00056 // Override superclass methods 00057 e->widget.notifier.update = (update_func_ptr)editint_update; 00058 00059 // Init instance 00060 e->value = value; 00061 e->min = min; 00062 e->max = max; 00063 e->style = EDIS_DEFAULT; 00064 e->draw = editint_draw; 00065 } 00066 00070 void editint_update(DEditInt *e, dtag_t tag, dval_t _val) 00071 { 00072 bool changed = false; 00073 int val = (int)_val; 00074 00075 switch (tag) 00076 { 00077 case TAG_SETVALUE: 00078 *e->value = MINMAX(e->min, val, e->max); 00079 changed = true; 00080 break; 00081 00082 /* Increments the integer by val */ 00083 case TAG_UP: 00084 if (e->style & EDIS_WRAP) 00085 { 00086 if (*e->value + val > e->max) 00087 *e->value = (*e->value + val - e->min) % (e->max - e->min + 1) + e->min; 00088 else 00089 *e->value += val; 00090 } 00091 else 00092 *e->value = MIN(*e->value + val, e->max); 00093 changed = true; 00094 break; 00095 /* Decrements the integer by val */ 00096 case TAG_DOWN: 00097 if (e->style & EDIS_WRAP) 00098 { 00099 if (*e->value - val < e->min) 00100 *e->value = e->max - (e->max - (*e->value - val)) % (e->max - e->min + 1); 00101 else 00102 *e->value -= val; 00103 } 00104 else 00105 *e->value = MAX(*e->value - val, e->min); 00106 changed = true; 00107 break; 00108 00109 default: 00110 break; 00111 } 00112 00113 if (changed) 00114 { 00115 e->draw(e); 00116 dnotify_targets(&e->widget.notifier, TAG_SETVALUE, (dval_t)*e->value); 00117 } 00118 } 00119 00123 void editint_draw(DEditInt *e) 00124 { 00125 lcd_printf((Layer *)e->widget.context, (lcdpos_t)e->widget.pos, LCD_NORMAL,"%*d", (int)e->widget.size, *e->value); 00126 }