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Updated fileheaders and styled files using astyle.

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t-moe
2015-06-08 11:00:52 +02:00
parent 7e61a129a3
commit fceb2d15b2
63 changed files with 6045 additions and 4691 deletions
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312
common/gui/numupdown.c
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@@ -1,143 +1,169 @@
#include "tft.h"
#include "touch.h"
#include "button.h"
#include "numupdown.h"
#include <stdio.h> //for sprintf
#include <stddef.h> //for offsetof macro
#include <stdlib.h> //for abs
/* The idea is as follows:
* When the user add's a numupdown we create two buttons, one with a plus and one with a minus sign in it
* When the user presses one of the buttons we check and increase the value and execute the provided user callback
*/
#define BASE_COLOR RGB(90,90,90) //Background color for the whole element
//Callback which is called when the user presses the "plus" button
void button_up_cb(void* button)
{
//Get the pointer to the numupdown: subtract the offset of the buttonUp member in the struct from the button pointer
NUMUPDOWN_STRUCT* element = button-offsetof(NUMUPDOWN_STRUCT,buttonUp);
if(element->value<element->max) { //old value lies below the maximum
element->value++; //let's increase the value
gui_numupdown_update(element); //and redraw everything
if(element->callback!=NULL) { //the user provided a callback
element->callback(element,element->value); //Call the user callback with the new value
}
}
}
//Callback which is called when the user presses the "minus" button
void button_down_cb(void* button)
{
//Get the pointer to the numupdown: subtract the offset of the buttonDown member in the struct from the button pointer
NUMUPDOWN_STRUCT* element = button-offsetof(NUMUPDOWN_STRUCT,buttonDown);
if(element->value>element->min) { //old value lies above the minimum
element->value--; //let's decrease the value
gui_numupdown_update(element); //and redraw everything
if(element->callback!=NULL) { //the user provided a callback
element->callback(element,element->value); //Call the user callback with the new value
}
}
}
//Method to calculate the number of characters needed to print the provided number in decimal notation (with optional sign)
static uint8_t calc_text_width(int16_t val) {
uint8_t width = 1 + (val<0); //1 if positive, 2 if negative (to let space for sign)
val=abs(val); //Make the number positive
while(val>=10) { //while we have two or more digits
val/=10; //remove one digit
width++; //add one character
}
return width;
}
bool gui_numupdown_add(NUMUPDOWN_STRUCT* numupdown)
{
if(touch_have_empty(2)) //Check if the touch module can handle two additional areas
{
if(numupdown->min > numupdown->max) { //min is bigger than max?
return false; //invalid parameter
}
if(numupdown->value < numupdown->min) { //value is smaller than min?
numupdown->value = numupdown->min; //normalize value
} else if(numupdown->value > numupdown->max) { //value is bigger than max?
numupdown->value = numupdown->max; //normalize value
}
uint8_t tw1 = calc_text_width(numupdown->max); //Calculate character width to render maximum value
uint8_t tw2 = calc_text_width(numupdown->min); //Calculate character width to render minimum value
if(tw2 > tw1) tw1 = tw2; //ensure tw1 contains the larger number of the two
uint8_t width= tft_font_width(0)*(tw1+1); //Calculate width of the number area
//Add "minus" button to the left side of the number area
numupdown->buttonDown.base.x1=numupdown->x;
numupdown->buttonDown.base.y1=numupdown->y;
numupdown->buttonDown.base.x2=AUTO;
numupdown->buttonDown.base.y2=numupdown->y+tft_font_height(0)*2;
numupdown->buttonDown.text="-";
numupdown->buttonDown.font=0;
numupdown->buttonDown.bgcolor=BASE_COLOR;
numupdown->buttonDown.txtcolor=WHITE;
numupdown->buttonDown.callback = button_down_cb;
gui_button_add(&numupdown->buttonDown);
//Add "plus" button to the right side of the number area
numupdown->buttonUp.base.x1=numupdown->buttonDown.base.x2+width+2;
numupdown->buttonUp.base.y1=numupdown->y;
numupdown->buttonUp.base.x2=AUTO;
numupdown->buttonUp.base.y2=numupdown->y +tft_font_height(0)*2;
numupdown->buttonUp.text="+";
numupdown->buttonUp.font=0;
numupdown->buttonUp.bgcolor=BASE_COLOR;
numupdown->buttonUp.txtcolor=WHITE;
numupdown->buttonUp.callback = button_up_cb;
gui_button_add(&numupdown->buttonUp);
//Draw background and label of the number area
tft_fill_rectangle(numupdown->buttonDown.base.x2+2,numupdown->y,numupdown->buttonDown.base.x2+width,numupdown->buttonUp.base.y2,BASE_COLOR);
tft_print_formatted(numupdown->buttonDown.base.x2+2+tft_font_width(0)/2,numupdown->y+tft_font_height(0)/2,numupdown->fgcolor,BASE_COLOR,0,"%*d",tw1,numupdown->value);
return true;
}
return false; //not enough touch areas left
}
void gui_numupdown_remove(NUMUPDOWN_STRUCT* numupdown)
{
//remove the two buttons, we have no other allocated resources
gui_button_remove(&numupdown->buttonUp);
gui_button_remove(&numupdown->buttonDown);
}
void gui_numupdown_redraw(NUMUPDOWN_STRUCT* numupdown)
{
//redraw the two buttons
gui_button_redraw(&numupdown->buttonUp);
gui_button_redraw(&numupdown->buttonDown);
//call update method which will take care of the number-area rendering
gui_numupdown_update(numupdown);
}
void gui_numupdown_update(NUMUPDOWN_STRUCT* numupdown)
{
//Calculate the number area width again (see above)
uint8_t tw1 = calc_text_width(numupdown->max);
uint8_t tw2 = calc_text_width(numupdown->min);
if(tw2 > tw1) tw1 = tw2;
uint8_t width= tft_font_width(0)*(tw1+1);
//Draw background and label of the number area
tft_fill_rectangle(numupdown->buttonDown.base.x2+2,numupdown->y,numupdown->buttonDown.base.x2+width,numupdown->buttonUp.base.y2,BASE_COLOR);
tft_print_formatted(numupdown->buttonDown.base.x2+2+tft_font_width(0)/2,numupdown->y+tft_font_height(0)/2,numupdown->fgcolor,BASE_COLOR,0,"%*d",tw1,numupdown->value);
}
/**************************************************************************************************************************************
* Project: discoverpixy
* Website: https://github.com/t-moe/discoverpixy
* Authors: Aaron Schmocker, Timo Lang
* Institution: BFH Bern University of Applied Sciences
* File: common/gui/numupdown.c
*
* Version History:
* Date Autor Email SHA Changes
* 2015-04-30 timolang@gmail.com 76ea9d8 Added num up down support.
* 2015-04-30 timolang@gmail.com b491b78 Made numupdown horizontal
* 2015-05-15 timolang@gmail.com 9a16865 Added doxgen comments to filesyste, checkbox, numupdown and screen module. And some minor changes to the other modules.
* 2015-05-17 timolang@gmail.com 2d46336 Improved comments in implementation of button, checkbox, numupdown, tft, touch and screen modules/submodules.
*
**************************************************************************************************************************************/
#include "tft.h"
#include "touch.h"
#include "button.h"
#include "numupdown.h"
#include <stdio.h> //for sprintf
#include <stddef.h> //for offsetof macro
#include <stdlib.h> //for abs
/* The idea is as follows:
* When the user add's a numupdown we create two buttons, one with a plus and one with a minus sign in it
* When the user presses one of the buttons we check and increase the value and execute the provided user callback
*/
#define BASE_COLOR RGB(90,90,90) //Background color for the whole element
//Callback which is called when the user presses the "plus" button
void button_up_cb(void* button)
{
//Get the pointer to the numupdown: subtract the offset of the buttonUp member in the struct from the button pointer
NUMUPDOWN_STRUCT* element = button - offsetof(NUMUPDOWN_STRUCT, buttonUp);
if (element->value < element->max) { //old value lies below the maximum
element->value++; //let's increase the value
gui_numupdown_update(element); //and redraw everything
if (element->callback != NULL) { //the user provided a callback
element->callback(element, element->value); //Call the user callback with the new value
}
}
}
//Callback which is called when the user presses the "minus" button
void button_down_cb(void* button)
{
//Get the pointer to the numupdown: subtract the offset of the buttonDown member in the struct from the button pointer
NUMUPDOWN_STRUCT* element = button - offsetof(NUMUPDOWN_STRUCT, buttonDown);
if (element->value > element->min) { //old value lies above the minimum
element->value--; //let's decrease the value
gui_numupdown_update(element); //and redraw everything
if (element->callback != NULL) { //the user provided a callback
element->callback(element, element->value); //Call the user callback with the new value
}
}
}
//Method to calculate the number of characters needed to print the provided number in decimal notation (with optional sign)
static uint8_t calc_text_width(int16_t val)
{
uint8_t width = 1 + (val < 0); //1 if positive, 2 if negative (to let space for sign)
val = abs(val); //Make the number positive
while (val >= 10) { //while we have two or more digits
val /= 10; //remove one digit
width++; //add one character
}
return width;
}
bool gui_numupdown_add(NUMUPDOWN_STRUCT* numupdown)
{
if (touch_have_empty(2)) { //Check if the touch module can handle two additional areas
if (numupdown->min > numupdown->max) { //min is bigger than max?
return false; //invalid parameter
}
if (numupdown->value < numupdown->min) { //value is smaller than min?
numupdown->value = numupdown->min; //normalize value
} else if (numupdown->value > numupdown->max) { //value is bigger than max?
numupdown->value = numupdown->max; //normalize value
}
uint8_t tw1 = calc_text_width(numupdown->max); //Calculate character width to render maximum value
uint8_t tw2 = calc_text_width(numupdown->min); //Calculate character width to render minimum value
if (tw2 > tw1) {
tw1 = tw2; //ensure tw1 contains the larger number of the two
}
uint8_t width = tft_font_width(0) * (tw1 + 1); //Calculate width of the number area
//Add "minus" button to the left side of the number area
numupdown->buttonDown.base.x1 = numupdown->x;
numupdown->buttonDown.base.y1 = numupdown->y;
numupdown->buttonDown.base.x2 = AUTO;
numupdown->buttonDown.base.y2 = numupdown->y + tft_font_height(0) * 2;
numupdown->buttonDown.text = "-";
numupdown->buttonDown.font = 0;
numupdown->buttonDown.bgcolor = BASE_COLOR;
numupdown->buttonDown.txtcolor = WHITE;
numupdown->buttonDown.callback = button_down_cb;
gui_button_add(&numupdown->buttonDown);
//Add "plus" button to the right side of the number area
numupdown->buttonUp.base.x1 = numupdown->buttonDown.base.x2 + width + 2;
numupdown->buttonUp.base.y1 = numupdown->y;
numupdown->buttonUp.base.x2 = AUTO;
numupdown->buttonUp.base.y2 = numupdown->y + tft_font_height(0) * 2;
numupdown->buttonUp.text = "+";
numupdown->buttonUp.font = 0;
numupdown->buttonUp.bgcolor = BASE_COLOR;
numupdown->buttonUp.txtcolor = WHITE;
numupdown->buttonUp.callback = button_up_cb;
gui_button_add(&numupdown->buttonUp);
//Draw background and label of the number area
tft_fill_rectangle(numupdown->buttonDown.base.x2 + 2, numupdown->y, numupdown->buttonDown.base.x2 + width, numupdown->buttonUp.base.y2, BASE_COLOR);
tft_print_formatted(numupdown->buttonDown.base.x2 + 2 + tft_font_width(0) / 2, numupdown->y + tft_font_height(0) / 2, numupdown->fgcolor, BASE_COLOR, 0, "%*d", tw1, numupdown->value);
return true;
}
return false; //not enough touch areas left
}
void gui_numupdown_remove(NUMUPDOWN_STRUCT* numupdown)
{
//remove the two buttons, we have no other allocated resources
gui_button_remove(&numupdown->buttonUp);
gui_button_remove(&numupdown->buttonDown);
}
void gui_numupdown_redraw(NUMUPDOWN_STRUCT* numupdown)
{
//redraw the two buttons
gui_button_redraw(&numupdown->buttonUp);
gui_button_redraw(&numupdown->buttonDown);
//call update method which will take care of the number-area rendering
gui_numupdown_update(numupdown);
}
void gui_numupdown_update(NUMUPDOWN_STRUCT* numupdown)
{
//Calculate the number area width again (see above)
uint8_t tw1 = calc_text_width(numupdown->max);
uint8_t tw2 = calc_text_width(numupdown->min);
if (tw2 > tw1) {
tw1 = tw2;
}
uint8_t width = tft_font_width(0) * (tw1 + 1);
//Draw background and label of the number area
tft_fill_rectangle(numupdown->buttonDown.base.x2 + 2, numupdown->y, numupdown->buttonDown.base.x2 + width, numupdown->buttonUp.base.y2, BASE_COLOR);
tft_print_formatted(numupdown->buttonDown.base.x2 + 2 + tft_font_width(0) / 2, numupdown->y + tft_font_height(0) / 2, numupdown->fgcolor, BASE_COLOR, 0, "%*d", tw1, numupdown->value);
}