Sample GUI for LPC4088. Base code to begin dev
Dependencies: DMBasicGUI DMSupport
Fork of lpc4088_displaymodule_shipped_demo by
AppRTCSettings.cpp
- Committer:
- alindvall
- Date:
- 2015-04-28
- Revision:
- 4:a7cbb22e4348
- Parent:
- 2:229f88d6f56b
File content as of revision 4:a7cbb22e4348:
/* * Copyright 2014 Embedded Artists AB * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "mbed.h" #include "AppRTCSettings.h" #include "lpc_swim_font.h" /****************************************************************************** * Defines and typedefs *****************************************************************************/ #define BTN_OFF 20 /****************************************************************************** * Private variables *****************************************************************************/ // Ugly but needed for callbacks static AppRTCSettings* theApp = NULL; /****************************************************************************** * Private functions *****************************************************************************/ static void buttonClicked(uint32_t x) { bool* done = (bool*)x; *done = true; } static void fieldClicked(uint32_t x) { if (theApp != NULL) { theApp->setActiveField(x); } } static void increaseValue(uint32_t x) { AppRTCSettings* app = (AppRTCSettings*)x; app->modifyValue(1); } static void decreaseValue(uint32_t x) { AppRTCSettings* app = (AppRTCSettings*)x; app->modifyValue(-1); } static void nextField(uint32_t x) { AppRTCSettings* app = (AppRTCSettings*)x; app->changeActiveField(true); } static void prevField(uint32_t x) { AppRTCSettings* app = (AppRTCSettings*)x; app->changeActiveField(false); } void AppRTCSettings::draw() { // Prepare fullscreen swim_window_open(_win, _disp->width(), _disp->height(), // full size (COLOR_T*)_fb, 0,0,_disp->width()-1, _disp->height()-1, // window position and size 1, // border GREEN,WHITE,BLACK);/*WHITE, RED, BLACK);*/ // colors: pen, backgr, forgr swim_set_pen_color(_win, BLACK); swim_set_title(_win, "Real Time Clock Settings", GREEN); swim_set_pen_color(_win, BLACK); ImageButton* ib; Resource* rOk = _res[Resource_Ok_button]; Resource* rCancel = _res[Resource_Cancel_button]; ib = new ImageButton(_win->fb, _win->xpmax - 2*BTN_OFF - rCancel->width() -rOk->width(), _win->ypmax - BTN_OFF - rOk->height(), rOk->width(), rOk->height()); ib->loadImages(rOk); ib->draw(); _buttons[ButtonOk] = ib; ib = new ImageButton(_win->fb, _win->xpmax - BTN_OFF - rCancel->width(), _win->ypmax - BTN_OFF - rCancel->height(), rCancel->width(), rCancel->height()); ib->loadImages(rCancel); ib->draw(); _buttons[ButtonCancel] = ib; int arrowW = _res[Resource_ArrowUp_button]->width(); int arrowH = _res[Resource_ArrowUp_button]->height(); ib = new ImageButton(_win->fb, 300, 40, arrowW, arrowH); ib->loadImages( _res[Resource_ArrowUp_button]); ib->setAction(increaseValue, (uint32_t)this); ib->draw(); _buttons[ButtonUp] = ib; ib = new ImageButton(_win->fb, 300, 40+arrowH+arrowH, arrowW, arrowH); ib->loadImages( _res[Resource_ArrowDown_button]); ib->setAction(decreaseValue, (uint32_t)this); ib->draw(); _buttons[ButtonDown] = ib; ib = new ImageButton(_win->fb, 300-arrowW/2-10, 40+arrowH, arrowW, arrowH); ib->loadImages(_res[Resource_ArrowLeft_button]); ib->setAction(prevField, (uint32_t)this); ib->draw(); _buttons[ButtonLeft] = ib; ib = new ImageButton(_win->fb, 300+arrowW/2+10, 40+arrowH, arrowW, arrowH); ib->loadImages(_res[Resource_ArrowRight_button]); ib->setAction(nextField, (uint32_t)this); ib->draw(); _buttons[ButtonRight] = ib; // To avoid having each DigitButton deallocate the shared image void* pointerToFree = _digitImage.pointerToFree; _digitImage.pointerToFree = NULL; addDateFields(0, 20); addTimeFields(0, 20+65); // Restore shared image so that it will be deallocated during teardown _digitImage.pointerToFree = pointerToFree; for (int i = 0; i < NumButtons; i++) { _buttons[i]->draw(); } markField(_activeField, true); } void AppRTCSettings::addDateFields(int xoff, int yoff) { DigitButton* db; int fontY = yoff; int y = fontY + swim_get_font_height(_win) + 2; int btny = y-7; y += _win->ypvmin; // compensate for title bar int x = xoff+20; int idx = ButtonYear; int btnw; swim_put_text_xy(_win, "Year", x, fontY); btnw = 65; db = new DigitButton(_win->fb, x, y, btnw, 34); db->loadImages(&_digitImage); db->setNumDigits(4); db->setValue(_values[idx]); db->setAction(fieldClicked, idx); _buttons[idx++] = db; x += btnw + 20; btnw = 45; swim_put_text_xy(_win, "Month", x, fontY); db = new DigitButton(_win->fb, x, y, btnw, 34); db->loadImages(&_digitImage); db->setNumDigits(2); db->setValue(_values[idx]); db->setAction(fieldClicked, idx); _buttons[idx++] = db; swim_put_box(_win, x-13, btny+20, x-2, btny+23); x += btnw + 10; swim_put_text_xy(_win, "Day", x, fontY); db = new DigitButton(_win->fb, x, y, btnw, 34); db->loadImages(&_digitImage); db->setNumDigits(2); db->setValue(_values[idx]); db->setAction(fieldClicked, idx); _buttons[idx++] = db; swim_put_box(_win, x-13, btny+20, x-2, btny+23); } void AppRTCSettings::addTimeFields(int xoff, int yoff) { DigitButton* db; int fontY = yoff; int y = fontY + swim_get_font_height(_win) + 2; int btny = y-7; y += _win->ypvmin; // compensate for title bar int x = xoff+20; int idx = ButtonHour; int btnw = 45; swim_put_text_xy(_win, "Hour", x, fontY); db = new DigitButton(_win->fb, x, y, btnw, 34); db->loadImages(&_digitImage); db->setNumDigits(2); db->setValue(_values[idx]); db->setAction(fieldClicked, idx); _buttons[idx++] = db; x += btnw + 10; swim_put_text_xy(_win, "Minutes", x, fontY); db = new DigitButton(_win->fb, x, y, btnw, 34); db->loadImages(&_digitImage); db->setNumDigits(2); db->setValue(_values[idx]); db->setAction(fieldClicked, idx); _buttons[idx++] = db; swim_put_box(_win, x-13, btny+22, x-2, btny+25); x += btnw + 10; swim_put_text_xy(_win, "Seconds", x, fontY); db = new DigitButton(_win->fb, x, y, btnw, 34); db->loadImages(&_digitImage); db->setNumDigits(2); db->setValue(_values[idx]); db->setAction(fieldClicked, idx); _buttons[idx++] = db; swim_put_box(_win, x-13, btny+22, x-2, btny+25); } void AppRTCSettings::markField(int field, bool active) { COLOR_T oldPen = _win->pen; COLOR_T oldFill = _win->fill; _win->fill = active ? BLACK : _win->bkg; _win->pen = active ? BLACK : _win->bkg; if (field >= 0 && field < NumFields) { int x0, y0, x1, y1; _buttons[field]->bounds(x0,y0,x1,y1); y1 -= _win->ypvmin+1; x0--; swim_put_box(_win, x0, y1, x1, y1+3); } _win->fill = oldFill; _win->pen = oldPen; } /****************************************************************************** * Public functions *****************************************************************************/ AppRTCSettings::AppRTCSettings() : _disp(NULL), _win(NULL), _fb(NULL), _activeField(0) { for (int i = 0; i < NumButtons; i++) { _buttons[i] = NULL; } for (int i = 0; i < NumResources; i++) { _res[i] = NULL; } time_t rawtime; struct tm * timeinfo; time (&rawtime); timeinfo = localtime (&rawtime); _values[ButtonYear] = timeinfo->tm_year + 1900; _values[ButtonMonth] = timeinfo->tm_mon + 1; _values[ButtonDay] = timeinfo->tm_mday; _values[ButtonHour] = timeinfo->tm_hour; _values[ButtonMinute] = timeinfo->tm_min; _values[ButtonSecond] = timeinfo->tm_sec; _digitImage.pointerToFree = NULL; theApp = this; } AppRTCSettings::~AppRTCSettings() { theApp = NULL; teardown(); } bool AppRTCSettings::setup() { _disp = DMBoard::instance().display(); _win = (SWIM_WINDOW_T*)malloc(sizeof(SWIM_WINDOW_T)); _fb = _disp->allocateFramebuffer(); int res = Image::decode(_res[Resource_Digits], Image::RES_16BIT, &_digitImage); return (_win != NULL && _fb != NULL && res == 0); } void AppRTCSettings::runToCompletion() { // Alternative 1: use the calling thread's context to run in bool done = false; bool abort = false; draw(); _buttons[ButtonOk]->setAction(buttonClicked, (uint32_t)&done); _buttons[ButtonCancel]->setAction(buttonClicked, (uint32_t)&abort); void* oldFB = _disp->swapFramebuffer(_fb); // Wait for touches TouchPanel* touch = DMBoard::instance().touchPanel(); touch_coordinate_t coord; int lastPressed = NumButtons; Timer t; t.start(); int repeatAt = 0; uint32_t maxDelay = osWaitForever; while(!done && !abort) { Thread::signal_wait(0x1, maxDelay); if (touch->read(coord) == TouchPanel::TouchError_Ok) { for (int i = 0; i < NumButtons; i++) { if (_buttons[i]->handle(coord.x, coord.y, coord.z > 0)) { _buttons[i]->draw(); if (_buttons[i]->pressed()) { lastPressed = i; // new button pressed t.reset(); repeatAt = 1000; } } } if (lastPressed == ButtonUp || lastPressed == ButtonDown) { maxDelay = 10; if (_buttons[lastPressed]->pressed() && t.read_ms() > repeatAt) { modifyValue((lastPressed == ButtonUp) ? 1 : -1); repeatAt = t.read_ms()+(200/(t.read_ms()/1000)); } } else { maxDelay = osWaitForever; } } } if (!abort) { RtosLog* log = DMBoard::instance().logger(); log->printf("New time: %04d-%02d-%02d %02d:%02d:%02d\n", _values[0], _values[1], _values[2], _values[3], _values[4], _values[5]); tm t; t.tm_year = _values[ButtonYear] - 1900; // years since 1900 t.tm_mon = _values[ButtonMonth] - 1; // month is 0..11 t.tm_mday = _values[ButtonDay]; t.tm_hour = _values[ButtonHour]; t.tm_min = _values[ButtonMinute]; t.tm_sec = _values[ButtonSecond]; set_time(mktime(&t)); } // User has clicked the button, restore the original FB _disp->swapFramebuffer(oldFB); swim_window_close(_win); } bool AppRTCSettings::teardown() { if (_win != NULL) { free(_win); _win = NULL; } if (_fb != NULL) { free(_fb); _fb = NULL; } for (int i = 0; i < NumButtons; i++) { if (_buttons[i] != NULL) { delete _buttons[i]; _buttons[i] = NULL; } } if (_digitImage.pointerToFree != NULL) { free(_digitImage.pointerToFree); _digitImage.pointerToFree = NULL; } return true; } void AppRTCSettings::modifyValue(int mod) { uint32_t v = _values[_activeField]; switch (_activeField) { case ButtonYear: // 1970..2100 _values[_activeField] = (((v - 1970 + (2100-1970)) + mod) % (2100-1970)) + 1970; break; case ButtonMonth: // 1..12 _values[_activeField] = (((v - 1 + 12) + mod) % 12) + 1; break; case ButtonDay: // 1..31 _values[_activeField] = (((v - 1 + 31) + mod) % 31) + 1; break; case ButtonHour: // 0..23 _values[_activeField] = (v + 24 + mod) % 24; break; case ButtonMinute: case ButtonSecond: // 0..59 _values[_activeField] = (v + 60 + mod) % 60; break; } ((DigitButton*)_buttons[_activeField])->setValue(_values[_activeField]); } void AppRTCSettings::changeActiveField(bool next) { markField(_activeField, false); if (next) { _activeField = (_activeField+1) % NumFields; } else { _activeField = (_activeField+NumFields-1) % NumFields; } markField(_activeField, true); } void AppRTCSettings::setActiveField(uint32_t newField) { if (_activeField != newField && newField < NumFields) { markField(_activeField, false); _activeField = newField; markField(_activeField, true); } } void AppRTCSettings::addResource(Resources id, Resource* res) { _res[id] = res; }