+++ /dev/null
-/**************************************************************************/
-/*!
- @file alphanumeric.c
- @author K. Townsend (microBuilder.eu)
-
- @brief Shows an alpha-numeric input dialogue
-
- @section Example
-
- @code
- #include "drivers/displays/tft/dialogues/alphanumeric.h"
-
- // Print results from an alpha-numeric dialogue
- char* results = alphaShowDialogue();
- printf("%s\r\n", results);
-
- @endcode
-
- @section LICENSE
-
- Software License Agreement (BSD License)
-
- Copyright (c) 2010, microBuilder SARL
- All rights reserved.
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions are met:
- 1. Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
- 2. Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in the
- documentation and/or other materials provided with the distribution.
- 3. Neither the name of the copyright holders nor the
- names of its contributors may be used to endorse or promote products
- derived from this software without specific prior written permission.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
- EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
- DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-/**************************************************************************/
-#include <string.h>
-
-#include "alphanumeric.h"
-
-#include "core/systick/systick.h"
-#include "drivers/displays/tft/lcd.h"
-#include "drivers/displays/tft/drawing.h"
-#include "drivers/displays/tft/touchscreen.h"
-#include "drivers/displays/tft/fonts/dejavusans9.h"
-
-// Background and text input region colors
-#define ALPHA_COLOR_BACKGROUND COLOR_GRAY_15
-#define ALPHA_COLOR_INPUTFILL COLOR_GRAY_30
-#define ALPHA_COLOR_INPUTTEXT COLOR_WHITE
-// Button colors
-#define ALPHA_COLOR_BTN_BORDER COLOR_GRAY_30
-#define ALPHA_COLOR_BTN_FILL COLOR_GRAY_30
-#define ALPHA_COLOR_BTN_FONT COLOR_WHITE
-// Active button colors
-#define ALPHA_COLOR_BTNEN_BORDER COLOR_THEME_DEFAULT_DARKER
-#define ALPHA_COLOR_BTNEN_FILL COLOR_THEME_DEFAULT_BASE
-#define ALPHA_COLOR_BTNEN_FONT COLOR_BLACK
-
-/* This kind of messes with your head, but defining the pixel locations
- this way allows the calculator example to be rendered on another
- TFT LCD with a different screen resolution or orientation without
- having to rewrite all the individual pixel-level code */
-
-#define ALPHA_BTN_SPACING (5)
-#define ALPHA_BTN_WIDTH ((lcdGetWidth() - (ALPHA_BTN_SPACING * 6)) / 5)
-#define ALPHA_KEYPAD_TOP ((lcdGetHeight() / 7) + (ALPHA_BTN_SPACING * 2))
-#define ALPHA_BTN_HEIGHT (((lcdGetHeight() - ALPHA_KEYPAD_TOP) - (ALPHA_BTN_SPACING * 7)) / 6)
-// #define ALPHA_BTN_WIDTH ((240 - (ALPHA_BTN_SPACING * 6)) / 5)
-// #define ALPHA_KEYPAD_TOP ((320 / 6) + (ALPHA_BTN_SPACING * 2))
-// #define ALPHA_BTN_HEIGHT (((320 - ALPHA_KEYPAD_TOP) - (ALPHA_BTN_SPACING * 7)) / 6)
-
-/* X/Y positions for buttons */
-#define ALPHA_ROW1_TOP (ALPHA_KEYPAD_TOP + ALPHA_BTN_SPACING)
-#define ALPHA_ROW2_TOP (ALPHA_KEYPAD_TOP + ALPHA_BTN_HEIGHT + (ALPHA_BTN_SPACING * 2))
-#define ALPHA_ROW3_TOP (ALPHA_KEYPAD_TOP + ((ALPHA_BTN_HEIGHT * 2) + ((ALPHA_BTN_SPACING) * 3)))
-#define ALPHA_ROW4_TOP (ALPHA_KEYPAD_TOP + ((ALPHA_BTN_HEIGHT * 3) + ((ALPHA_BTN_SPACING) * 4)))
-#define ALPHA_ROW5_TOP (ALPHA_KEYPAD_TOP + ((ALPHA_BTN_HEIGHT * 4) + ((ALPHA_BTN_SPACING) * 5)))
-#define ALPHA_ROW6_TOP (ALPHA_KEYPAD_TOP + ((ALPHA_BTN_HEIGHT * 5) + ((ALPHA_BTN_SPACING) * 6)))
-#define ALPHA_COL1_LEFT (ALPHA_BTN_SPACING)
-#define ALPHA_COL2_LEFT ((ALPHA_BTN_SPACING * 2) + ALPHA_BTN_WIDTH)
-#define ALPHA_COL3_LEFT ((ALPHA_BTN_SPACING * 3) + (ALPHA_BTN_WIDTH * 2))
-#define ALPHA_COL4_LEFT ((ALPHA_BTN_SPACING * 4) + (ALPHA_BTN_WIDTH * 3))
-#define ALPHA_COL5_LEFT ((ALPHA_BTN_SPACING * 5) + (ALPHA_BTN_WIDTH * 4))
-
-/* Control which 'page' is currently shown on the keypad */
-static uint8_t alphaPage = 0;
-
-/* Keeps track of the string contents */
-static uint8_t alphaString[80];
-static uint8_t *alphaString_ptr;
-
-/* For quick retrieval of button X/Y locqtions */
-uint32_t alphaBtnX[5], alphaBtnY[6];
-
-/* Array showing which characters should be displayed on each alphaPage */
-/* You can rearrange the keypad by modifying the array contents below */
-/* -------------------- -------------------- -------------------- --------------------
- A B C D BACK a b c d BACK . , : ; BACK 7 8 9 BACK
- E F G H I e f g h i ' " ( ) 4 5 6
- J K L M N j k l m n ? ! { } 7 8 9
- O P Q R S o p q r s # & @ ~ . 0 SPC
- T U V W SHFT t u v w SHFT % = / \ SHFT SHFT
- X Y Z SPC OK x y z SPC OK + - _ SPC OK OK
- -------------------- -------------------- -------------------- -------------------- */
-char alphaKeys[4][6][5] = { { { 'A', 'B', 'C', 'D', '<' },
- { 'E', 'F', 'G', 'H', 'I' },
- { 'J', 'K', 'L', 'M', 'N' },
- { 'O', 'P', 'Q', 'R', 'S' },
- { 'T', 'U', 'V', 'W', '*' },
- { 'X', 'Y', 'Z', ' ', '>' } },
-
- { { 'a', 'b', 'c', 'd', '<' },
- { 'e', 'f', 'g', 'h', 'i' },
- { 'j', 'k', 'l', 'm', 'n' },
- { 'o', 'p', 'q', 'r', 's' },
- { 't', 'u', 'v', 'w', '*' },
- { 'x', 'y', 'z', ' ', '>' } },
-
- { { '.', ',', ':', ';', '<' },
- { '\'', '\"', '(', ')', ' ' },
- { '?', '!', '{', '}', ' ' },
- { '#', '&', '@', '~', ' ' },
- { '%', '=', '/', '\\', '*' },
- { '+', '-', '_', ' ', '>' } },
-
- { { '7', '8', '9', ' ', '<' },
- { '4', '5', '6', ' ', ' ' },
- { '1', '2', '3', ' ', ' ' },
- { '.', '0', ' ', ' ', ' ' },
- { ' ', ' ', ' ', ' ', '*'},
- { ' ', ' ', ' ', ' ', '>' } } };
-
-/**************************************************************************/
-/*!
- @brief Renders the UI
-*/
-/**************************************************************************/
-void alphaRenderButton(uint8_t alphaPage, uint8_t col, uint8_t row, bool selected)
-{
- // Set colors depending on button state
- uint16_t border, fill, font;
- if (selected)
- {
- border = ALPHA_COLOR_BTNEN_BORDER;
- fill = ALPHA_COLOR_BTNEN_FILL;
- font = ALPHA_COLOR_BTNEN_FONT;
- }
- else
- {
- border = ALPHA_COLOR_BTN_BORDER;
- fill = ALPHA_COLOR_BTN_FILL;
- font = ALPHA_COLOR_BTN_FONT;
- }
-
- char c = alphaKeys[alphaPage][row][col];
- char key[2] = { alphaKeys[alphaPage][row][col], '\0' };
- // Handle special characters
- switch (c)
- {
- case '<':
- // Backspace
- drawButton (alphaBtnX[col], alphaBtnY[row], ALPHA_BTN_WIDTH, ALPHA_BTN_HEIGHT, &dejaVuSans9ptFontInfo, border, fill, font, NULL);
- drawArrow (alphaBtnX[col] + ALPHA_BTN_WIDTH / 2 - 3, alphaBtnY[row] + ALPHA_BTN_HEIGHT / 2, 7, DRAW_DIRECTION_LEFT, font);
- break;
- case '*':
- // Page Shift
- drawButton (alphaBtnX[col], alphaBtnY[row], ALPHA_BTN_WIDTH, ALPHA_BTN_HEIGHT, &dejaVuSans9ptFontInfo, border, fill, font, NULL);
- drawArrow (alphaBtnX[col] + ALPHA_BTN_WIDTH / 2, (alphaBtnY[row] + ALPHA_BTN_HEIGHT / 2) - 3, 7, DRAW_DIRECTION_UP, font);
- break;
- case '>':
- // OK
- drawButton (alphaBtnX[col], alphaBtnY[row], ALPHA_BTN_WIDTH, ALPHA_BTN_HEIGHT, &dejaVuSans9ptFontInfo, border, fill, font, "OK");
- break;
- default:
- // Standard character
- drawButton (alphaBtnX[col], alphaBtnY[row], ALPHA_BTN_WIDTH, ALPHA_BTN_HEIGHT, &dejaVuSans9ptFontInfo, border, fill, font, key);
- break;
- }
-}
-
-/**************************************************************************/
-/*!
- @brief Renders the UI
-*/
-/**************************************************************************/
-void alphaRefreshScreen(void)
-{
- uint8_t x, y;
-
- /* Draw keypad */
- for (y = 0; y < 6; y++)
- {
- for (x = 0; x < 5; x++)
- {
- alphaRenderButton(alphaPage, x, y, false);
- }
- }
-
- /* Render Text */
- drawRectangleRounded(ALPHA_BTN_SPACING, ALPHA_BTN_SPACING, lcdGetWidth() - 1 - ALPHA_BTN_SPACING, ALPHA_KEYPAD_TOP - ALPHA_BTN_SPACING, ALPHA_COLOR_INPUTFILL, 10, DRAW_ROUNDEDCORNERS_ALL);
- fontsDrawString(ALPHA_BTN_SPACING * 3, ALPHA_BTN_SPACING * 3, ALPHA_COLOR_INPUTTEXT, &dejaVuSans9ptFontInfo, (char *)&alphaString);
-}
-
-/**************************************************************************/
-/*!
- @brief Processes the supplied touch data
-*/
-/**************************************************************************/
-char alphaHandleTouchEvent(void)
-{
- tsTouchData_t data;
- char result = '\0';
- uint8_t row, col;
- int32_t tsError = -1;
-
- // Blocking delay until a valid touch event occurs
- while (tsError)
- {
- tsError = tsWaitForEvent(&data, 0);
- }
-
- // Attempt to convert touch data to char
- if ((data.ylcd < ALPHA_ROW1_TOP) || (data.ylcd > ALPHA_ROW6_TOP + ALPHA_BTN_HEIGHT))
- {
- return result;
- }
-
- // Get column
- if ((data.xlcd > alphaBtnX[0]) && (data.xlcd < alphaBtnX[0] + ALPHA_BTN_WIDTH))
- col = 0;
- else if ((data.xlcd > alphaBtnX[1]) && (data.xlcd < alphaBtnX[1] + ALPHA_BTN_WIDTH))
- col = 1;
- else if ((data.xlcd > alphaBtnX[2]) && (data.xlcd < alphaBtnX[2] + ALPHA_BTN_WIDTH))
- col = 2;
- else if ((data.xlcd > alphaBtnX[3]) && (data.xlcd < alphaBtnX[3] + ALPHA_BTN_WIDTH))
- col = 3;
- else if ((data.xlcd > ALPHA_COL5_LEFT) && (data.xlcd < ALPHA_COL5_LEFT + ALPHA_BTN_WIDTH))
- col = 4;
- else
- return result;
-
- // Get row
- if ((data.ylcd > ALPHA_ROW1_TOP) && (data.ylcd < ALPHA_ROW1_TOP + ALPHA_BTN_HEIGHT))
- row = 0;
- else if ((data.ylcd > ALPHA_ROW2_TOP) && (data.ylcd < ALPHA_ROW2_TOP + ALPHA_BTN_HEIGHT))
- row = 1;
- else if ((data.ylcd > ALPHA_ROW3_TOP) && (data.ylcd < ALPHA_ROW3_TOP + ALPHA_BTN_HEIGHT))
- row = 2;
- else if ((data.ylcd > ALPHA_ROW4_TOP) && (data.ylcd < ALPHA_ROW4_TOP + ALPHA_BTN_HEIGHT))
- row = 3;
- else if ((data.ylcd > ALPHA_ROW5_TOP) && (data.ylcd < ALPHA_ROW5_TOP + ALPHA_BTN_HEIGHT))
- row = 4;
- else if ((data.ylcd > ALPHA_ROW6_TOP) && (data.ylcd < ALPHA_ROW6_TOP + ALPHA_BTN_HEIGHT))
- row = 5;
- else
- return result;
-
- // Match found ... update button and process the results
- alphaRenderButton(alphaPage, col, row, true);
- result = alphaKeys[alphaPage][row][col];
-
- if (result == '<')
- {
- // Trim character if backspace was pressed
- if (alphaString_ptr > alphaString)
- {
- alphaString_ptr--;
- *alphaString_ptr = '\0';
- }
- }
- else if (result == '*')
- {
- // Switch page if the shift button was pressed
- alphaPage++;
- if (alphaPage > 3)
- {
- alphaPage = 0;
- }
- // Update the UI
- alphaRefreshScreen();
- }
- else if (result == '>')
- {
- // OK button
- systickDelay(CFG_TFTLCD_TS_KEYPADDELAY);
- return '>';
- }
- else
- {
- // Add text to string buffer
- *alphaString_ptr++ = result;
- }
-
- // Brief delay
- systickDelay(CFG_TFTLCD_TS_KEYPADDELAY);
-
- // Return button to deselected state
- alphaRefreshScreen();
- return result;
-}
-
-/**************************************************************************/
-/*!
- @brief Displays the dialogue box and waits for valid user input
-
- @section Example
-
- @code
- #include "drivers/displays/tft/dialogues/alphanumeric.h"
-
- // Print results from an alpha-numeric dialogue
- char* results = alphaShowDialogue();
- printf("%s\r\n", results);
-
- @endcode
-*/
-/**************************************************************************/
-char* alphaShowDialogue(void)
-{
- char result;
-
- /* These need to be instantiated here since the width and height of
- the lcd is retrieved dynamically depending on screen orientation */
- alphaBtnX[0] = ALPHA_COL1_LEFT;
- alphaBtnX[1] = ALPHA_COL2_LEFT;
- alphaBtnX[2] = ALPHA_COL3_LEFT;
- alphaBtnX[3] = ALPHA_COL4_LEFT;
- alphaBtnX[4] = ALPHA_COL5_LEFT;
- alphaBtnY[0] = ALPHA_ROW1_TOP;
- alphaBtnY[1] = ALPHA_ROW2_TOP;
- alphaBtnY[2] = ALPHA_ROW3_TOP;
- alphaBtnY[3] = ALPHA_ROW4_TOP;
- alphaBtnY[4] = ALPHA_ROW5_TOP;
- alphaBtnY[5] = ALPHA_ROW6_TOP;
-
- /* Initialise the string buffer */
- memset(&alphaString[0], 0, sizeof(alphaString));
- alphaString_ptr = alphaString;
- alphaPage = 0;
-
- /* Draw the background and render the buttons */
- drawFill(ALPHA_COLOR_BACKGROUND);
- alphaRefreshScreen();
-
- /* Capture results until the 'OK' button is pressed */
- while(1)
- {
- result = alphaHandleTouchEvent();
- if (result == '>') return (char *)&alphaString;
- }
-}
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