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#include "gui.h"
static struct guiNode_t *firstGUI = NULL;
static uint16_t addNode(struct guiNode_t *newNode) {
struct guiNode_t *new;
if(firstGUI == NULL) {
firstGUI = chHeapAlloc(NULL, sizeof(struct guiNode_t));
if(firstGUI == NULL)
return 0;
*firstGUI = *newNode;
firstGUI->next = NULL;
} else {
new = firstGUI;
while(new->next != NULL)
new = new->next;
new->next = chHeapAlloc(NULL, sizeof(struct guiNode_t));
if(new->next == NULL)
return 0;
new = new->next;
*new = *newNode;
new->next = NULL;
}
return 1;
}
static void deleteNode(char *name) {
struct guiNode_t *pointer, *pointer1;
if(firstGUI != NULL) {
if(strcmp(firstGUI->name, name) == 0) {
pointer = firstGUI->next;
chHeapFree(firstGUI);
firstGUI = pointer;
} else {
pointer = firstGUI;
while(pointer->next != NULL) {
pointer1 = pointer->next;
if(strcmp(firstGUI->name, name) == 0) {
pointer->next = pointer1->next;
chHeapFree(pointer1);
break;
}
pointer = pointer1;
}
}
}
}
void guiPrintNodes(BaseSequentialStream *chp) {
struct guiNode_t *pointer = firstGUI;
chprintf(chp, "\r\n\nguiNodes:\r\n\n");
while(pointer != NULL) {
chprintf(chp, "x0: %d\r\n", pointer->x0);
chprintf(chp, "y0: %d\r\n", pointer->y0);
chprintf(chp, "x1: %d\r\n", pointer->x1);
chprintf(chp, "y1: %d\r\n", pointer->y1);
chprintf(chp, "name: %s\r\n", pointer->name);
chprintf(chp, "active: %d\r\n", *(pointer->active));
chprintf(chp, "state: %d\r\n", *(pointer->state));
chprintf(chp, "*next: 0x%x\r\n", pointer->next);
chprintf(chp, "\r\n\n");
pointer = pointer->next;
}
}
static void guiThread(const uint16_t interval) {
uint16_t x, y;
struct guiNode_t *node;
chRegSetThreadName("GUI");
while(TRUE) {
for(node = firstGUI; node; node = node->next) {
if(*(node->active) == active) {
x = tpReadX();
y = tpReadY();
if(x >= node->x0 && x <= node->x1 && y >= node->y0 && y <= node->y1)
*(node->state) = 1;
else
*(node->state) = 0;
} else {
*(node->state) = 0;
}
}
chThdSleepMilliseconds(interval);
}
}
Thread *guiInit(uint16_t interval, tprio_t priority) {
Thread *tp = NULL;
tp = chThdCreateFromHeap(NULL, THD_WA_SIZE(512), priority, guiThread, interval);
return tp;
}
uint8_t guiDrawButton(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, char *str, uint16_t fontColor, uint16_t buttonColor, uint8_t *active, uint8_t *state) {
struct guiNode_t *newNode;
newNode = chHeapAlloc(NULL, sizeof(struct guiNode_t));
if(newNode == NULL)
return 0;
newNode->x0 = x0;
newNode->y0 = y0;
newNode->x1 = x1;
newNode->y1 = y1;
newNode->name = str;
newNode->active = active;
newNode->state = state;
if(addNode(newNode) != 1)
return 0;
lcdDrawRectString(x0, y0, x1, y1, str, fontColor, buttonColor);
chHeapFree(newNode);
return 1;
}
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