114 lines
3.2 KiB
C
114 lines
3.2 KiB
C
#include <sysinit.h>
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#include "basic/basic.h"
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#include "basic/config.h"
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#include "lcd/print.h"
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/**************************************************************************/
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uint8_t menuflags=0;
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void handleMenu(const struct MENU *the_menu) {
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uint8_t back = 0;
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int8_t menuselection = 0;
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uint8_t numentries;
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uint8_t visible_lines = 0;
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uint8_t current_offset = 0;
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if (the_menu == NULL) return;
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setSystemFont();
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for (numentries = 0; the_menu->entries[numentries].text != NULL ; numentries++);
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if(the_menu->entries[numentries-1].text[0]=='|' && !GLOBAL(develmode))
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numentries--;
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visible_lines = lcdGetVisibleLines()-1; // subtract title line
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if(menuflags&MENU_BIG)
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visible_lines/=2;
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#ifdef SAFETY
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if (visible_lines < 2) return;
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#endif
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while (!back) {
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// Display current menu page
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lcdClear();
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lcdPrintln(the_menu->title);
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for (uint8_t i = current_offset; i < (visible_lines + current_offset) && i < numentries; i++) {
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if(menuflags&MENU_BIG)
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lcdNl();
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if (i == menuselection) {
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lcdPrint("*");
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}
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lcdSetCrsrX(14);
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lcdPrintln(the_menu->entries[i].text);
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}
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lcdRefresh();
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switch (getInputWaitTimeout((menuflags&MENU_TIMEOUT)?15000:0)) {
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case BTN_UP:
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menuselection--;
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if (menuselection < current_offset) {
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if (menuselection < 0) {
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menuselection = numentries-1;
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current_offset = ((numentries-1)/visible_lines) * visible_lines;
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} else {
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current_offset -= visible_lines;
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}
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}
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break;
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case BTN_DOWN:
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menuselection++;
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if (menuselection > (current_offset + visible_lines-1) || menuselection >= numentries) {
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if (menuselection >= numentries) {
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menuselection = 0;
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current_offset = 0;
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} else {
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current_offset += visible_lines;
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}
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}
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break;
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case BTN_LEFT:
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return;
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case BTN_RIGHT:
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if (the_menu->entries[menuselection].callback!=NULL)
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the_menu->entries[menuselection].callback();
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setSystemFont();
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if (menuflags&MENU_JUSTONCE)
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return;
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break;
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case BTN_ENTER:
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lcdClear();
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// lcdPrintln("Called...");
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// lcdRefresh();
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getInputWaitRelease();
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if (the_menu->entries[menuselection].callback!=NULL)
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the_menu->entries[menuselection].callback();
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lcdRefresh();
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setSystemFont();
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if (menuflags&MENU_JUSTONCE)
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return;
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// getInputWait();
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break;
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case BTN_NONE: /* timeout */
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return;
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default:
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/* NOTREACHED */
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break;
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}
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getInputWaitRelease();
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}
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return;
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}
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