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Added touch support to emulator. Implemented basic touch function.

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t-moe
2015-04-27 01:39:02 +02:00
parent 6ad5766de4
commit 259d446888
11 changed files with 265 additions and 5 deletions
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129
common/touch/touch.c Normal file
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#include "touch.h"
#include "ll_touch.h"
#include <stdio.h>
#define NUM_AREAS 50 //Number of Structs Reserved in Memory for TouchAreas (e.g Buttons)
TOUCH_AREA_STRUCT* areas[NUM_AREAS] = {NULL};
volatile int touchY=0; //Last Y Coordinate in pixels
volatile int touchX=0; //Last X Coordinate in pixels
volatile TOUCH_STATE oldState=TOUCH_UP;
bool touch_init() {
return ll_touch_init();
}
bool touch_add_raw_event(uint16_t x, uint16_t y, TOUCH_STATE state) {
bool penDown = (state==TOUCH_DOWN);
bool oldPenDown = (oldState==TOUCH_DOWN);
oldState=state;
uint16_t touchX = x;
uint16_t touchY = y;
if(penDown)
{
// tftDrawPixel(touchX,touchY,WHITE);
if(!oldPenDown) //First Touch
{
for(int z=0; z < NUM_AREAS; z++) // For every touch area
{
if(areas[z]!=NULL && touchX >= areas[z]->x1 && touchX <= areas[z]->x2 && touchY >= areas[z]->y1 && touchY <= areas[z]->y2 )
{
areas[z]->flags=1; //PenInside=1
if(areas[z]->hookedActions & PEN_DOWN)
areas[z]->callback(areas[z],PEN_DOWN);
}
}
}
else //Second, Third
{
for(int z=0; z < NUM_AREAS; z++) // For every touch area
{
if(areas[z]!=NULL )
{
if(touchX >= areas[z]->x1 && touchX <= areas[z]->x2 && touchY >= areas[z]->y1 && touchY <= areas[z]->y2)
{
if(areas[z]->flags==0) //PenInside ==0
{
areas[z]->flags=1; //PenInside=1
if(areas[z]->hookedActions & PEN_ENTER)
areas[z]->callback(areas[z],PEN_ENTER);
}
}
else if(areas[z]->flags) //PenInside==1
{
areas[z]->flags=0; //PenInside=0
if(areas[z]->hookedActions & PEN_LEAVE)
areas[z]->callback(areas[z],PEN_LEAVE);
}
}
}
}
for(int z=0; z < NUM_AREAS; z++) // For every touch area
{
if(areas[z]!=NULL && areas[z]->hookedActions&PEN_MOVE)
{
if(touchX >= areas[z]->x1 && touchX <= areas[z]->x2 && touchY >= areas[z]->y1 && touchY <= areas[z]->y2)
{
areas[z]->callback(areas[z],PEN_MOVE);
}
}
}
}
else
{
if(oldPenDown) //Was the pen ever down (or was it a too short touch)
{
for(int z=0; z < NUM_AREAS; z++) // For every touch area
{
if(areas[z]!=NULL && touchX >= areas[z]->x1 && touchX <= areas[z]->x2 && touchY >= areas[z]->y1 && touchY <= areas[z]->y2 )
{
areas[z]->flags=0; //PenInside = 0;
if(areas[z]->hookedActions & PEN_UP)
areas[z]->callback(areas[z],PEN_UP);
}
}
}
touchX=0xFFFF;
touchY=0xFFFF;
}
return true;
}
bool touch_have_empty(unsigned char num)
{
for(unsigned char i=0; i<NUM_AREAS; i++)
{
if(areas[i]==NULL) num--;
if(num==0) return true;
}
return false;
}
bool touch_register_area(TOUCH_AREA_STRUCT* area) //Registers an Area (fill Struct first). Return false if no more Space in the Pointertable (-->Change NUM_AREAS).
{
for(unsigned char i=0; i<NUM_AREAS; i++)
{
if(areas[i]==NULL)
{
area->flags=0;
areas[i]=area;
return true;
}
}
return false;
}
void touch_unregister_area(TOUCH_AREA_STRUCT* area)//Unregisters an Area
{
for(unsigned char i=0; i<NUM_AREAS; i++)
{
if(areas[i]==area)
{
areas[i]=NULL;
break;
}
}
}