uGFX/ugfx
2
0
Fork 0
Code Issues 2 Pull requests Projects Releases Wiki Activity

added guiDrawSlider()

Browse source
This commit is contained in:
Tectu 2012-07-09 20:45:02 +02:00
parent 894770e596
commit 4df715dd46
2 changed files with 30 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

34
gui.c
View file

@ -2,7 +2,7 @@
static struct guiNode_t *firstGUI = NULL;
uint16_t x, y; // global touchpad coordinates
uint16_t value_old; // needed for slider
uint16_t percent, value_old; // needed for slider
static uint8_t addElement(struct guiNode_t *newNode) {
struct guiNode_t *new;
@ -90,14 +90,33 @@ static inline void buttonUpdate(struct guiNode_t *node) {
}
static inline void sliderUpdate(struct guiNode_t *node) {
(void)node;
uint16_t value, length;
uint16_t percent = 0, value = 0;
if(node->orientation == horizontal)
length = node->x1 - node->x0;
else if(node->orientation == vertical)
length = node->y1 - node->y0;
percent = *(node->state);
if(node->mode == modePassive) {
percent = *(node->state);
} else if(node->mode == modeActive) {
if(x >= node->x0 && x <= node->x1 && y >= node->y0 && y <= node->y1) {
if(node->orientation == horizontal) {
percent = (((x - node->x0) * 100) / length);
} else if(node->orientation == vertical) {
percent = (((y - node->y0) * 100) / length);
}
}
*(node->state) = percent;
}
// a bit of safety here
if(percent > 100)
percent = 100;
percent = 100;
if(percent < 0)
percent = 0;
if(node->orientation == horizontal) {
value = ((((node->x1)-(node->x0)) * percent) / 100);
if(value_old > value || value == 0)
@ -203,7 +222,7 @@ uint8_t guiDrawButton(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, char *
return 1;
}
uint8_t guiDrawSlider(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint8_t orientation, uint16_t frameColor, uint16_t bkColor, uint16_t valueColor, char *label, uint8_t *active, uint8_t *value) {
uint8_t guiDrawSlider(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint8_t orientation, uint8_t mode, uint16_t frameColor, uint16_t bkColor, uint16_t valueColor, char *label, uint8_t *active, uint8_t *value) {
struct guiNode_t *newNode;
newNode = chHeapAlloc(NULL, sizeof(struct guiNode_t));
@ -216,6 +235,7 @@ uint8_t guiDrawSlider(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint8_
newNode->y0 = y0;
newNode->x1 = x1;
newNode->y1 = y1;
newNode->mode = mode;
newNode->bkColor = bkColor;
newNode->valueColor = valueColor;
newNode->state = value;

4
gui.h
View file

@ -20,6 +20,7 @@ struct guiNode_t {
uint16_t bkColor;
uint16_t valueColor;
uint8_t orientation;
uint8_t mode;
uint8_t *active;
uint8_t *state;
char *label;
@ -33,6 +34,7 @@ extern "C" {
enum {button, slider, wheel, keymatrix};
enum {horizontal, vertical};
enum {inactive, active};
enum {modePassive, modeActive};
/*
* Description: creates the GUI thread
@ -77,7 +79,7 @@ uint8_t guiDeleteElement(char *label);
*/
uint8_t guiDrawButton(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, char *str, font_t font, uint16_t fontColor, uint16_t buttonColor, uint16_t shadow, char *label, uint8_t *active, uint8_t *state);
uint8_t guiDrawSlider(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint8_t orientation, uint16_t frameColor, uint16_t bkColor, uint16_t valueColor, char *label, uint8_t *active, uint8_t *value);
uint8_t guiDrawSlider(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint8_t orientation, uint8_t mode, uint16_t frameColor, uint16_t bkColor, uint16_t valueColor, char *label, uint8_t *active, uint8_t *value);
uint8_t guiDrawWheel(uint16_t x0, uint16_t y0, uint16_t radius1, uint16_t radius2, uint16_t bkColor, uint16_t valueColor, char *label, uint8_t *active, uint8_t *value);