A primitive menu system for touchscreen on the RA8875. This menu is not "finger friendly" and reminds one of the 90's using a Palm.
Dependents: FRDM_RA8875_mPaint PUB_RA8875_mPaint
menu.cpp@0:905736afd672, 2015-01-03 (annotated)
- Committer:
- WiredHome
- Date:
- Sat Jan 03 15:35:20 2015 +0000
- Revision:
- 0:905736afd672
- Child:
- 1:d7a34c7f775b
Fixed a warning - caused by code-blindness of knowing what it should do and not seeing what it was doing...
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
WiredHome | 0:905736afd672 | 1 | |
WiredHome | 0:905736afd672 | 2 | #include "menu.h" |
WiredHome | 0:905736afd672 | 3 | |
WiredHome | 0:905736afd672 | 4 | //#define DEBUG "menu" |
WiredHome | 0:905736afd672 | 5 | // ... |
WiredHome | 0:905736afd672 | 6 | // INFO("Stuff to show %d", var); // new-line is automatically appended |
WiredHome | 0:905736afd672 | 7 | // |
WiredHome | 0:905736afd672 | 8 | #if (defined(DEBUG) && !defined(TARGET_LPC11U24)) |
WiredHome | 0:905736afd672 | 9 | #define INFO(x, ...) std::printf("[INF %s %3d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__); |
WiredHome | 0:905736afd672 | 10 | #define WARN(x, ...) std::printf("[WRN %s %3d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__); |
WiredHome | 0:905736afd672 | 11 | #define ERR(x, ...) std::printf("[ERR %s %3d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__); |
WiredHome | 0:905736afd672 | 12 | #else |
WiredHome | 0:905736afd672 | 13 | #define INFO(x, ...) |
WiredHome | 0:905736afd672 | 14 | #define WARN(x, ...) |
WiredHome | 0:905736afd672 | 15 | #define ERR(x, ...) |
WiredHome | 0:905736afd672 | 16 | #define HexDump(a, b, c) |
WiredHome | 0:905736afd672 | 17 | #endif |
WiredHome | 0:905736afd672 | 18 | |
WiredHome | 0:905736afd672 | 19 | Menu::~Menu() |
WiredHome | 0:905736afd672 | 20 | { |
WiredHome | 0:905736afd672 | 21 | } |
WiredHome | 0:905736afd672 | 22 | |
WiredHome | 0:905736afd672 | 23 | Menu::Menu(RA8875 & _lcd, menu_item_t * _menu, color_t fg, color_t bg, color_t hl) |
WiredHome | 0:905736afd672 | 24 | : lcd(_lcd), pTopMenu(_menu), pExpanded(0), isShowing(false), |
WiredHome | 0:905736afd672 | 25 | menuForeground(fg), menuBackground(bg), menuHighlight(hl) |
WiredHome | 0:905736afd672 | 26 | { |
WiredHome | 0:905736afd672 | 27 | } |
WiredHome | 0:905736afd672 | 28 | |
WiredHome | 0:905736afd672 | 29 | void Menu::init() |
WiredHome | 0:905736afd672 | 30 | { |
WiredHome | 0:905736afd672 | 31 | lcd.SetLayerMode(RA8875::TransparentMode); |
WiredHome | 0:905736afd672 | 32 | lcd.SetLayerTransparency(0, 7); |
WiredHome | 0:905736afd672 | 33 | } |
WiredHome | 0:905736afd672 | 34 | |
WiredHome | 0:905736afd672 | 35 | void Menu::SetColors(color_t fg, color_t bg, color_t hl) |
WiredHome | 0:905736afd672 | 36 | { |
WiredHome | 0:905736afd672 | 37 | menuForeground = fg; |
WiredHome | 0:905736afd672 | 38 | menuBackground = bg; |
WiredHome | 0:905736afd672 | 39 | menuHighlight = hl; |
WiredHome | 0:905736afd672 | 40 | } |
WiredHome | 0:905736afd672 | 41 | |
WiredHome | 0:905736afd672 | 42 | bool Menu::_isTouched(menu_item_t * pMenu, rect_t r, point_t p, menu_item_t ** menuTouched) |
WiredHome | 0:905736afd672 | 43 | { |
WiredHome | 0:905736afd672 | 44 | while (pMenu->menuText) { |
WiredHome | 0:905736afd672 | 45 | r.p2.x += lcd.fontwidth() * (strlen(pMenu->menuText) + strlen(" ")); |
WiredHome | 0:905736afd672 | 46 | INFO("Is (%3d,%3d) in (%3d,%3d)-(%3d,%3d) %s [%s]", |
WiredHome | 0:905736afd672 | 47 | p.x, p.y, r.p1.x, r.p1.y, r.p2.x, r.p2.y, pMenu->menuText, |
WiredHome | 0:905736afd672 | 48 | pExpanded ? pExpanded->child->menuText : ""); |
WiredHome | 0:905736afd672 | 49 | if (lcd.Intersect(r, p)) { |
WiredHome | 0:905736afd672 | 50 | *menuTouched = pMenu; |
WiredHome | 0:905736afd672 | 51 | return true; |
WiredHome | 0:905736afd672 | 52 | } |
WiredHome | 0:905736afd672 | 53 | if (!isShowing) // Activating this traps the menu activation to the first entry only. |
WiredHome | 0:905736afd672 | 54 | break; // Disabling this permits anything on the top-line |
WiredHome | 0:905736afd672 | 55 | if (isShowing && pMenu->child && pExpanded == pMenu) { |
WiredHome | 0:905736afd672 | 56 | r.p1.x += lcd.fontwidth(); |
WiredHome | 0:905736afd672 | 57 | r.p1.y += lcd.fontheight(); |
WiredHome | 0:905736afd672 | 58 | r.p2.x = r.p1.x; |
WiredHome | 0:905736afd672 | 59 | r.p2.y = r.p1.y + lcd.fontheight(); |
WiredHome | 0:905736afd672 | 60 | if (_isTouched(pMenu->child, r, p, menuTouched)) { |
WiredHome | 0:905736afd672 | 61 | return true; |
WiredHome | 0:905736afd672 | 62 | } |
WiredHome | 0:905736afd672 | 63 | } |
WiredHome | 0:905736afd672 | 64 | r.p1.x = r.p2.x; |
WiredHome | 0:905736afd672 | 65 | pMenu++; |
WiredHome | 0:905736afd672 | 66 | } |
WiredHome | 0:905736afd672 | 67 | return false; |
WiredHome | 0:905736afd672 | 68 | } |
WiredHome | 0:905736afd672 | 69 | |
WiredHome | 0:905736afd672 | 70 | bool Menu::HandledTouch(point_t p, TouchCode_t touchcode) |
WiredHome | 0:905736afd672 | 71 | { |
WiredHome | 0:905736afd672 | 72 | rect_t r; |
WiredHome | 0:905736afd672 | 73 | menu_item_t * pTouchedMenu = NULL; |
WiredHome | 0:905736afd672 | 74 | bool handled = false; |
WiredHome | 0:905736afd672 | 75 | |
WiredHome | 0:905736afd672 | 76 | r.p1.x = r.p1.y = r.p2.x = 0; |
WiredHome | 0:905736afd672 | 77 | r.p2.y = lcd.fontheight(); |
WiredHome | 0:905736afd672 | 78 | |
WiredHome | 0:905736afd672 | 79 | if (_isTouched(pTopMenu, r, p, &pTouchedMenu)) { |
WiredHome | 0:905736afd672 | 80 | INFO("Touched %s.\r\n", pTouchedMenu->menuText); |
WiredHome | 0:905736afd672 | 81 | if (pTouchedMenu == pTopMenu && !isShowing && touchcode == touch) { |
WiredHome | 0:905736afd672 | 82 | INFO("Show menu...\r\n"); |
WiredHome | 0:905736afd672 | 83 | Show(); |
WiredHome | 0:905736afd672 | 84 | INFO(" show done.\r\n"); |
WiredHome | 0:905736afd672 | 85 | } else { |
WiredHome | 0:905736afd672 | 86 | post_fnc_action_t action = no_action; |
WiredHome | 0:905736afd672 | 87 | |
WiredHome | 0:905736afd672 | 88 | switch (touchcode) { |
WiredHome | 0:905736afd672 | 89 | case touch: |
WiredHome | 0:905736afd672 | 90 | if (pTouchedMenu->fncPress) { |
WiredHome | 0:905736afd672 | 91 | action = pTouchedMenu->fncPress(pTouchedMenu->param); |
WiredHome | 0:905736afd672 | 92 | } |
WiredHome | 0:905736afd672 | 93 | if (pTouchedMenu->child) { |
WiredHome | 0:905736afd672 | 94 | INFO(" Expand %s.\r\n", pTouchedMenu->menuText); |
WiredHome | 0:905736afd672 | 95 | Expand(pTouchedMenu); |
WiredHome | 0:905736afd672 | 96 | INFO(" done.\r\n"); |
WiredHome | 0:905736afd672 | 97 | } |
WiredHome | 0:905736afd672 | 98 | break; |
WiredHome | 0:905736afd672 | 99 | case held: |
WiredHome | 0:905736afd672 | 100 | if (pTouchedMenu->fncHeld) { |
WiredHome | 0:905736afd672 | 101 | action = pTouchedMenu->fncHeld(pTouchedMenu->param); |
WiredHome | 0:905736afd672 | 102 | } |
WiredHome | 0:905736afd672 | 103 | break; |
WiredHome | 0:905736afd672 | 104 | case release: |
WiredHome | 0:905736afd672 | 105 | if (pTouchedMenu->fncRelease) { |
WiredHome | 0:905736afd672 | 106 | action = pTouchedMenu->fncRelease(pTouchedMenu->param); |
WiredHome | 0:905736afd672 | 107 | } |
WiredHome | 0:905736afd672 | 108 | break; |
WiredHome | 0:905736afd672 | 109 | default: |
WiredHome | 0:905736afd672 | 110 | break; |
WiredHome | 0:905736afd672 | 111 | } |
WiredHome | 0:905736afd672 | 112 | if (action == close_menu) { |
WiredHome | 0:905736afd672 | 113 | Hide(); |
WiredHome | 0:905736afd672 | 114 | } |
WiredHome | 0:905736afd672 | 115 | } |
WiredHome | 0:905736afd672 | 116 | handled = true; |
WiredHome | 0:905736afd672 | 117 | } |
WiredHome | 0:905736afd672 | 118 | return handled; |
WiredHome | 0:905736afd672 | 119 | } |
WiredHome | 0:905736afd672 | 120 | |
WiredHome | 0:905736afd672 | 121 | bool Menu::_GetMenuRect(menu_item_t * pMenu, menu_item_t * needle, rect_t * pRect) |
WiredHome | 0:905736afd672 | 122 | { |
WiredHome | 0:905736afd672 | 123 | rect_t r; |
WiredHome | 0:905736afd672 | 124 | |
WiredHome | 0:905736afd672 | 125 | if (needle->menuText == NULL) |
WiredHome | 0:905736afd672 | 126 | return false; |
WiredHome | 0:905736afd672 | 127 | r.p1.x = r.p1.y = r.p2.x = 0; |
WiredHome | 0:905736afd672 | 128 | r.p2.y = lcd.fontheight(); |
WiredHome | 0:905736afd672 | 129 | while (pMenu->menuText) { |
WiredHome | 0:905736afd672 | 130 | r.p2.x += lcd.fontwidth() * (strlen(pMenu->menuText) + strlen(" ")); |
WiredHome | 0:905736afd672 | 131 | if (pMenu == needle) { |
WiredHome | 0:905736afd672 | 132 | *pRect = r; |
WiredHome | 0:905736afd672 | 133 | return true; |
WiredHome | 0:905736afd672 | 134 | } |
WiredHome | 0:905736afd672 | 135 | r.p1.x = r.p2.x; |
WiredHome | 0:905736afd672 | 136 | pMenu++; |
WiredHome | 0:905736afd672 | 137 | } |
WiredHome | 0:905736afd672 | 138 | return false; |
WiredHome | 0:905736afd672 | 139 | } |
WiredHome | 0:905736afd672 | 140 | |
WiredHome | 0:905736afd672 | 141 | void Menu::_Rect(rect_t r, color_t c, fill_t fill) |
WiredHome | 0:905736afd672 | 142 | { |
WiredHome | 0:905736afd672 | 143 | r.p2.x--; |
WiredHome | 0:905736afd672 | 144 | r.p2.y--; |
WiredHome | 0:905736afd672 | 145 | lcd.rect(r, c, fill); |
WiredHome | 0:905736afd672 | 146 | } |
WiredHome | 0:905736afd672 | 147 | |
WiredHome | 0:905736afd672 | 148 | |
WiredHome | 0:905736afd672 | 149 | void Menu::Expand(menu_item_t * thisMenu) |
WiredHome | 0:905736afd672 | 150 | { |
WiredHome | 0:905736afd672 | 151 | rect_t r; |
WiredHome | 0:905736afd672 | 152 | bool same = (pExpanded == thisMenu) ? true : false; |
WiredHome | 0:905736afd672 | 153 | |
WiredHome | 0:905736afd672 | 154 | if (pExpanded) { // need to hide this one first |
WiredHome | 0:905736afd672 | 155 | INFO(" Hiding children of %s.", pExpanded->menuText); |
WiredHome | 0:905736afd672 | 156 | _GetMenuRect(pTopMenu, pExpanded, &r); |
WiredHome | 0:905736afd672 | 157 | _Rect(r, menuForeground); |
WiredHome | 0:905736afd672 | 158 | r.p1.x += lcd.fontwidth(); |
WiredHome | 0:905736afd672 | 159 | r.p1.y += lcd.fontheight(); |
WiredHome | 0:905736afd672 | 160 | r.p2.x = r.p1.x; |
WiredHome | 0:905736afd672 | 161 | r.p2.y = r.p1.y + lcd.fontheight(); |
WiredHome | 0:905736afd672 | 162 | _ShowMenu_Helper(pExpanded->child, r, false); |
WiredHome | 0:905736afd672 | 163 | pExpanded = NULL; |
WiredHome | 0:905736afd672 | 164 | } |
WiredHome | 0:905736afd672 | 165 | if (!same && _GetMenuRect(pTopMenu, thisMenu, &r)) { |
WiredHome | 0:905736afd672 | 166 | INFO(" Expanding to children of %s.", thisMenu->menuText); |
WiredHome | 0:905736afd672 | 167 | _Rect(r, menuHighlight); |
WiredHome | 0:905736afd672 | 168 | // index in a little, then down a row |
WiredHome | 0:905736afd672 | 169 | r.p1.x += lcd.fontwidth(); |
WiredHome | 0:905736afd672 | 170 | r.p1.y += lcd.fontheight(); |
WiredHome | 0:905736afd672 | 171 | r.p2.x = r.p1.x; |
WiredHome | 0:905736afd672 | 172 | r.p2.y = r.p1.y + lcd.fontheight(); |
WiredHome | 0:905736afd672 | 173 | _ShowMenu_Helper(thisMenu->child, r); |
WiredHome | 0:905736afd672 | 174 | pExpanded = thisMenu; |
WiredHome | 0:905736afd672 | 175 | } |
WiredHome | 0:905736afd672 | 176 | } |
WiredHome | 0:905736afd672 | 177 | |
WiredHome | 0:905736afd672 | 178 | void Menu::Show() |
WiredHome | 0:905736afd672 | 179 | { |
WiredHome | 0:905736afd672 | 180 | rect_t r; |
WiredHome | 0:905736afd672 | 181 | INFO("Show()"); |
WiredHome | 0:905736afd672 | 182 | lcd.SelectDrawingLayer(MENUS); |
WiredHome | 0:905736afd672 | 183 | lcd.SetLayerTransparency(7, 0); |
WiredHome | 0:905736afd672 | 184 | //lcd.cls(); |
WiredHome | 0:905736afd672 | 185 | lcd.SetTextCursor(0,0); |
WiredHome | 0:905736afd672 | 186 | r.p1.x = r.p1.y = r.p2.x = 0; |
WiredHome | 0:905736afd672 | 187 | r.p2.y = lcd.fontheight(); |
WiredHome | 0:905736afd672 | 188 | menu_item_t * pMenu = pTopMenu; |
WiredHome | 0:905736afd672 | 189 | _ShowMenu_Helper(pMenu, r); |
WiredHome | 0:905736afd672 | 190 | isShowing = true; |
WiredHome | 0:905736afd672 | 191 | } |
WiredHome | 0:905736afd672 | 192 | |
WiredHome | 0:905736afd672 | 193 | void Menu::_ShowMenu_Helper(menu_item_t * pMenu, rect_t r, bool show) |
WiredHome | 0:905736afd672 | 194 | { |
WiredHome | 0:905736afd672 | 195 | while (pMenu->menuText) { |
WiredHome | 0:905736afd672 | 196 | lcd.SetTextCursor(r.p1.x, r.p1.y); |
WiredHome | 0:905736afd672 | 197 | r.p2.x += lcd.fontwidth() * (strlen(pMenu->menuText) + strlen(" ")); |
WiredHome | 0:905736afd672 | 198 | if (show) { |
WiredHome | 0:905736afd672 | 199 | INFO("(%3d,%3d)-(%3d,%3d) %s", r.p1.x, r.p1.y, r.p2.x, r.p2.y, pMenu->menuText); |
WiredHome | 0:905736afd672 | 200 | lcd.foreground(menuForeground); |
WiredHome | 0:905736afd672 | 201 | lcd.printf(" %s ", pMenu->menuText); |
WiredHome | 0:905736afd672 | 202 | _Rect(r, menuForeground); |
WiredHome | 0:905736afd672 | 203 | } else { |
WiredHome | 0:905736afd672 | 204 | INFO("HIDE (%3d,%3d)-(%3d,%3d) %s", r.p1.x, r.p1.y, r.p2.x, r.p2.y, pMenu->menuText); |
WiredHome | 0:905736afd672 | 205 | _Rect(r, menuBackground, FILL); |
WiredHome | 0:905736afd672 | 206 | } |
WiredHome | 0:905736afd672 | 207 | r.p1.x = r.p2.x; |
WiredHome | 0:905736afd672 | 208 | pMenu++; |
WiredHome | 0:905736afd672 | 209 | } |
WiredHome | 0:905736afd672 | 210 | isShowing = true; |
WiredHome | 0:905736afd672 | 211 | } |
WiredHome | 0:905736afd672 | 212 | |
WiredHome | 0:905736afd672 | 213 | void Menu::Hide() |
WiredHome | 0:905736afd672 | 214 | { |
WiredHome | 0:905736afd672 | 215 | INFO("Hide()"); |
WiredHome | 0:905736afd672 | 216 | if (pExpanded) |
WiredHome | 0:905736afd672 | 217 | Expand(pExpanded); // hides this menu |
WiredHome | 0:905736afd672 | 218 | lcd.SelectDrawingLayer(CANVAS); |
WiredHome | 0:905736afd672 | 219 | isShowing = false; |
WiredHome | 0:905736afd672 | 220 | lcd.SetLayerTransparency(0, 7); |
WiredHome | 0:905736afd672 | 221 | } |
WiredHome | 0:905736afd672 | 222 |