/**
* This function starts the drag operation. It will allocate memory to store
* the screen behind the drag handles and draw the handles themselves.
* Do not call this function unless wtk_prepare_drag() has been called first
* with the drag origin position.
* If there is not enough memory, this function will no draw anything, but it
* is still safe to call wtk_continue_drag() and wtk_stop_drag().
*
* \param pos Current position of drag target.
*/
static void wtk_start_drag(struct win_point const *pos)
{
/* Allocate memory for bitmaps. */
wtk_drag_origin_pixmap = membag_alloc(
(WTK_DRAG_PIXMAP_SIZE * WTK_DRAG_PIXMAP_SIZE) *
sizeof(gfx_color_t)
);
if (!wtk_drag_origin_pixmap) {
goto outofmem_origin;
}
wtk_drag_target_pixmap = membag_alloc(
(WTK_DRAG_PIXMAP_SIZE * WTK_DRAG_PIXMAP_SIZE) *
sizeof(gfx_color_t)
);
if (!wtk_drag_target_pixmap) {
goto outofmem_target;
}
/* Make sure we can draw on the entire screen, since dragging is not
* necessarily limited to within one window.
*/
gfx_set_clipping(0, 0, gfx_get_width() - 1, gfx_get_height() - 1);
/* Store screen underneath and draw drag origin symbol. */
gfx_get_pixmap(wtk_drag_origin_pixmap, WTK_DRAG_PIXMAP_SIZE, 0, 0,
wtk_drag_origin.x - WTK_DRAG_HANDLE_RADIUS,
wtk_drag_origin.y - WTK_DRAG_HANDLE_RADIUS,
WTK_DRAG_PIXMAP_SIZE, WTK_DRAG_PIXMAP_SIZE);
gfx_draw_filled_circle(wtk_drag_origin.x, wtk_drag_origin.y,
WTK_DRAG_HANDLE_RADIUS,
WTK_DRAG_ORIGIN_COLOR, GFX_WHOLE);
/* Store screen underneath and draw drag target symbol. */
gfx_get_pixmap(wtk_drag_target_pixmap, WTK_DRAG_PIXMAP_SIZE, 0, 0,
pos->x - WTK_DRAG_HANDLE_RADIUS,
pos->y - WTK_DRAG_HANDLE_RADIUS,
WTK_DRAG_PIXMAP_SIZE, WTK_DRAG_PIXMAP_SIZE);
gfx_draw_filled_circle(pos->x, pos->y,
WTK_DRAG_HANDLE_RADIUS,
WTK_DRAG_TARGET_COLOR, GFX_WHOLE);
return;
outofmem_target:
membag_free(wtk_drag_origin_pixmap);
wtk_drag_origin_pixmap = NULL;
outofmem_origin:
return;
}
/**
* This function updated the drag target handle graphics. Call this function
* from the MOVE event handler of the dragging widget. This function needs
* both the current position and the last used position. The last position will
* be either the position handed to wtk_start_drag() or the "pos" parameter of
* the last call to wtk_continue_drag(). The pointer event struct will keep this
* value for you. No need to store it yourself.
*
* \param last_pos Last position.
* \param pos Current position.
*/
static void wtk_continue_drag(struct win_point const *last_pos,
struct win_point const *pos)
{
/* Don't do any graphics if we did not get memory when drag started. */
if (!wtk_drag_origin_pixmap || !wtk_drag_target_pixmap) {
return;
}
/* Make sure we can draw on the entire screen, since dragging is not
* necessarily limited to within one window.
*/
gfx_set_clipping(0, 0, gfx_get_width() - 1, gfx_get_height() - 1);
/* Restore screen underneath drag target symbol. */
gfx_put_pixmap(wtk_drag_target_pixmap, WTK_DRAG_PIXMAP_SIZE, 0, 0,
last_pos->x - WTK_DRAG_HANDLE_RADIUS,
last_pos->y - WTK_DRAG_HANDLE_RADIUS,
WTK_DRAG_PIXMAP_SIZE, WTK_DRAG_PIXMAP_SIZE);
/* Store screen underneath and draw new drag target symbol. */
gfx_get_pixmap(wtk_drag_target_pixmap, WTK_DRAG_PIXMAP_SIZE, 0, 0,
pos->x - WTK_DRAG_HANDLE_RADIUS,
pos->y - WTK_DRAG_HANDLE_RADIUS,
WTK_DRAG_PIXMAP_SIZE, WTK_DRAG_PIXMAP_SIZE);
gfx_draw_filled_circle(pos->x, pos->y,
WTK_DRAG_HANDLE_RADIUS,
WTK_DRAG_TARGET_COLOR, GFX_WHOLE);
}
/**
* \brief Handle maXTouch messages
*
* This function handles the maXTouch messages, triggering the drawing of
* squares around new or moved touches, and removing the squares around
* released touches.
*
* \param device Pointer to mxt_device struct
*/
static void mxt_handler(struct mxt_device *device)
{
struct mxt_touch_event touch_event;
gfx_coord_t screen_touch_x, screen_touch_y, screen_touch_size;
do {
/* Get the first touch event in queue */
if (mxt_read_touch_event(device, &touch_event) != STATUS_OK) {
continue;
}
/* Discard non press, movement or release events */
if (!(touch_event.status &
(MXT_PRESS_EVENT | MXT_MOVE_EVENT | MXT_RELEASE_EVENT))) {
continue;
}
/* Rescale from 4k touch X-coordinate to the display width */
screen_touch_x = ((uint32_t)(4096 - touch_event.x) * gfx_get_width()) / 4096;
/* Rescale from 4k touch Y-coordinate to the display height */
screen_touch_y = ((uint32_t)(4096 - touch_event.y) * gfx_get_height()) / 4096;
/* Scale the touch size to a value suitable for the target display */
screen_touch_size = touch_event.size;
/* Check if the touch is within the drawing area */
if (screen_touch_y < (gfx_get_height() - PALLET_HEIGHT)) {
/* Obtain the color to draw from the pallet colors */
gfx_color_t draw_color = pallet_colors[selected_pallet_color];
/* Color pallet index 0 selects multi-color mode */
if (selected_pallet_color == 0) {
draw_color = get_next_rainbow_color();
}
/* Set clipping area */
gfx_set_clipping(0, 0, gfx_get_width(),
(gfx_get_height() - PALLET_HEIGHT - 2));
/* Draw touch point on the screen in the selected color */
gfx_draw_filled_circle(screen_touch_x, screen_touch_y,
screen_touch_size, draw_color, GFX_WHOLE);
/* Reset clipping area */
gfx_set_clipping(0, 0, gfx_get_width(), gfx_get_height());
} else if (touch_event.status & MXT_PRESS_EVENT) {
/* Calculate the pressed pallet entry */
uint8_t pallete_index = (screen_touch_x / PALLET_COLOR_WIDTH);
/* The last entry in the pallet clears the screen */
if (pallete_index == (NUM_PALLET_COLORS - 1)) {
/* Indicate display is being cleared */
draw_pallet_labels(true);
/* Clear the display */
gfx_draw_filled_rect(0, 0, gfx_get_width(),
(gfx_get_height() - PALLET_HEIGHT - 1),
GFX_COLOR_BLACK);
/* Indicate display has been cleared */
draw_pallet_labels(false);
} else {
/* Change color selection based on the color chosen */
selected_pallet_color = pallete_index;
/* Draw new selection box around chosen color */
update_pallet_selection();
}
}
} while (mxt_is_message_pending(device));
}
/**
* This function is the window event handler for frame widgets.
* It handles all events sent to the windows composing the widget.
*
* \param win Window receiving the event.
* \param type The event type.
* \param data Custom data, depending on event type.
*
* \return True if the event was recognized and accepted.
*/
static bool wtk_frame_handler(struct win_window *win,
enum win_event_type type, void const *data)
{
/* Custom data for windows of a widget points back to the widget itself. */
struct wtk_frame *frame = (struct wtk_frame *)win_get_custom_data(win);
switch (type) {
case WIN_EVENT_DRAW:
{
/* For DRAW events, the data parameter points to the
* clipping region.
*/
struct win_clip_region const *clip
= (struct win_clip_region const *)data;
struct win_area const *area = win_get_area(win);
/* Draw frame decorations if this is the container window. */
if (win == frame->container) {
/* Draw left border. */
gfx_draw_filled_rect(clip->origin.x,
clip->origin.y,
WTK_FRAME_LEFTBORDER,
area->size.y,
WTK_FRAME_BORDER_COLOR);
/* Draw right border. */
gfx_draw_filled_rect(clip->origin.x +
area->size.x -
WTK_FRAME_RIGHTBORDER,
clip->origin.y,
WTK_FRAME_RIGHTBORDER,
area->size.y,
WTK_FRAME_BORDER_COLOR);
/* Draw top border. */
gfx_draw_filled_rect(clip->origin.x +
WTK_FRAME_LEFTBORDER,
clip->origin.y,
area->size.x -
WTK_FRAME_LEFTBORDER -
WTK_FRAME_RIGHTBORDER,
WTK_FRAME_TOPBORDER,
WTK_FRAME_BORDER_COLOR);
/* Draw bottom border. */
gfx_draw_filled_rect(clip->origin.x +
WTK_FRAME_LEFTBORDER,
clip->origin.y + area->size.y -
WTK_FRAME_BOTTOMBORDER,
area->size.x -
WTK_FRAME_LEFTBORDER -
WTK_FRAME_RIGHTBORDER,
WTK_FRAME_BOTTOMBORDER,
WTK_FRAME_BORDER_COLOR);
/* Draw title bar background. */
gfx_draw_filled_rect(clip->origin.x +
WTK_FRAME_LEFTBORDER,
clip->origin.y +
WTK_FRAME_TOPBORDER,
area->size.x -
WTK_FRAME_LEFTBORDER -
WTK_FRAME_RIGHTBORDER,
WTK_FRAME_TITLEBAR_HEIGHT,
WTK_FRAME_TITLEBAR_COLOR);
/* Draw caption string. */
gfx_draw_string(frame->caption,
clip->origin.x +
WTK_FRAME_LEFTBORDER +
WTK_FRAME_CAPTION_X,
clip->origin.y +
WTK_FRAME_TOPBORDER +
WTK_FRAME_CAPTION_Y, &sysfont,
GFX_COLOR_TRANSPARENT,
WTK_FRAME_CAPTION_COLOR);
}
/* Draw resize handle if this is the resize window. */
else if (win == frame->resize) {
gfx_draw_filled_circle(clip->origin.x +
area->size.x - 1,
clip->origin.y + area->size.y -
1, WTK_FRAME_RESIZE_RADIUS,
WTK_FRAME_RESIZE_COLOR,
GFX_QUADRANT1);
}
/* Always accept DRAW events, as the return value is
* ignored anyway for that event type.
*/
return true;
}
case WIN_EVENT_POINTER:
{
/* For POINTER events, the data parameter points to the
* pointer event information.
*/
struct win_pointer_event const *event
= (struct win_pointer_event const *)data;
/* Handle move if this is the container window. */
if (win == frame->container) {
switch (event->type) {
case WIN_POINTER_PRESS:
wtk_handle_frame_press(frame, event);
break;
case WIN_POINTER_MOVE:
wtk_handle_frame_move(frame, event);
break;
case WIN_POINTER_RELEASE:
wtk_handle_frame_release(frame, event);
break;
default:
break;
}
}
/* Handle resize if this is the resize handle. */
else if (win == frame->resize) {
switch (event->type) {
case WIN_POINTER_PRESS:
wtk_handle_resize_press(frame, event);
break;
case WIN_POINTER_MOVE:
wtk_handle_resize_move(frame, event);
break;
case WIN_POINTER_RELEASE:
wtk_handle_resize_release(frame, event);
break;
default:
break;
}
}
/* Accept all POINTER events so that it does not
* propagate up the window tree to our parent in case
* we did not click anything useful inside the frame.
*/
return true;
}
case WIN_EVENT_DESTROY:
{
/* When the container window is destroyed, also destroy
* the rest of the non-window frame allocations.
*/
if (win == frame->container) {
/* Memory allocated for windows will be
* automatically destroyed by the window
* system. We must destroy other allocations.
*/
membag_free(frame->caption);
membag_free(frame);
}
/* Always accept DESTROY events, as the return value is
* ignored anyway for that event type.
*/
return true;
}
case WIN_EVENT_COMMAND:
{
/* When commands are received either directly or
* propagated from child widgets and windows, send it
* to the frame handler.
*/
if (win == frame->container) {
if (frame->frame_handler) {
/* If the frame handler returns true,
* it wants us to destroy the frame.
* This is normally used by CLOSE
* buttons.
*/
bool shouldDestroy
= frame->frame_handler(frame,
(win_command_t)
data);
/* It is safe to destroy it here, since
* the event handling finished right
* after this handler returns, and no
* other references to this frame or
* its contents will be done.
*/
if (shouldDestroy) {
win_destroy(frame->container);
}
/* Accept the event if there was a
* handler installed.
*/
return true;
}
}
/* Reject the event if there was no handler, or this
* was not the container window at all.
*/
return false;
}
default:
/* Reject unknown event types. */
return false;
}
}
/**
* This function is the window event handler for radio button widgets.
* It handles all events sent to the windows composing the widget.
*
* \param win Window receiving the event.
* \param type The event type.
* \param data Custom data, depending on event type.
*
* \return True if the event was recognized and accepted.
*/
static bool wtk_radio_button_handler(struct win_window *win,
enum win_event_type type, void const *data)
{
struct win_command_event command;
/* Custom data for windows of a widget points back to the widget itself. */
struct wtk_radio_button *radio_button
= (struct wtk_radio_button *)win_get_custom_data(win);
switch (type) {
case WIN_EVENT_DRAW:
{
/* For DRAW events, the data parameter points to the
* clipping region.
*/
struct win_clip_region const *clip
= (struct win_clip_region const *)data;
/* There should not be other windows in this widget. */
Assert(win == radio_button->container);
/* Draw radio button circle. */
gfx_draw_circle(clip->origin.x +
WTK_RADIOBUTTON_BUTTON_X,
clip->origin.y +
WTK_RADIOBUTTON_BUTTON_Y,
WTK_RADIOBUTTON_RADIUS,
WTK_RADIOBUTTON_BUTTON_COLOR,
GFX_WHOLE);
/* Draw radio button filled circle background. */
if (WTK_RADIOBUTTON_BACKGROUND_COLOR != GFX_COLOR_TRANSPARENT) {
gfx_draw_filled_circle(clip->origin.x +
WTK_RADIOBUTTON_BUTTON_X,
clip->origin.y +
WTK_RADIOBUTTON_BUTTON_Y,
WTK_RADIOBUTTON_RADIUS - 1,
WTK_RADIOBUTTON_BACKGROUND_COLOR,
GFX_WHOLE);
}
/* Draw radio button select marker if selected. */
if (radio_button->group->selected == radio_button) {
gfx_draw_filled_circle(clip->origin.x +
WTK_RADIOBUTTON_BUTTON_X,
clip->origin.y +
WTK_RADIOBUTTON_BUTTON_Y,
WTK_RADIOBUTTON_RADIUS - 2,
WTK_RADIOBUTTON_SELECT_COLOR,
GFX_WHOLE);
}
/* Draw caption. */
gfx_draw_string(radio_button->caption,
clip->origin.x +
WTK_RADIOBUTTON_CAPTION_X,
clip->origin.y +
WTK_RADIOBUTTON_CAPTION_Y, &sysfont,
GFX_COLOR_TRANSPARENT,
WTK_RADIOBUTTON_CAPTION_COLOR);
/* Always accept DRAW events, as the return value is
* ignored anyway for that event type.
*/
return true;
}
case WIN_EVENT_POINTER:
{
/* There should not be other windows in this widget. */
Assert(win == radio_button->container);
/* For POINTER events, the data parameter points to the
* pointer event information.
*/
struct win_pointer_event const *event
= (struct win_pointer_event const *)data;
switch (event->type) {
case WIN_POINTER_PRESS:
/* When radio button pressed, grab pointer and
* wait for release inside widget borders.
* Other widgets won't get pointer events
* before it is released, and the pointer
* ungrabbed by us.
*/
if (radio_button->state ==
WTK_RADIOBUTTON_NORMAL) {
win_grab_pointer(radio_button->
container);
radio_button->state
= WTK_RADIOBUTTON_PRESSED;
win_redraw(radio_button->container);
}
break;
case WIN_POINTER_RELEASE:
/* When button released, take action only if
* released inside widget extents.
*/
if (radio_button->state ==
WTK_RADIOBUTTON_PRESSED) {
bool is_inside;
/* Ungrab pointer. */
win_grab_pointer(NULL);
radio_button->state
= WTK_RADIOBUTTON_NORMAL;
win_redraw(radio_button->container);
/* Check release position. */
is_inside = win_is_inside_window
(radio_button->
container,
&(event->pos));
/* Select this radio button if inside. */
if (is_inside) {
wtk_radio_button_select
(radio_button);
/* Send non-zero command. */
if (radio_button->command) {
command.sender
= radio_button->
container;
command.recipient
= radio_button->
container;
command.data
= radio_button->command;
win_queue_command_event
(&command);
}
}
}
break;
default:
break;
}
/* Accept all POINTER events since all acitivity inside
* the widget extents is relevant to us.
*/
return true;
}
case WIN_EVENT_DESTROY:
/* There should not be other windows in this widget. */
Assert(win == radio_button->container);
/* Memory allocated for windows will be automatically destroyed
* by the window system. We must destroy other allocations.
*/
membag_free(radio_button->caption);
/* Destroy radio group as well if we are the last one in the
* group. If not, remove ourselves from the group.
*/
--(radio_button->group->num_references);
if (!radio_button->group->num_references) {
membag_free(radio_button->group);
} else {
if (radio_button->group->selected == radio_button) {
radio_button->group->selected = NULL;
}
}
membag_free(radio_button);
/* Always accept DESTROY events, as the return value is ignored
* anyway for that event type.
*/
return true;
default:
/* Reject unknown event types. */
return false;
}
}
void battery_application() {
draw_background();
gfx_draw_string_aligned("Power Info", gfx_get_width() / 2, 2, &sysfont, GFX_COLOR_TRANSPARENT, GFX_COLOR_WHITE, TEXT_POS_CENTER_X, TEXT_ALIGN_LEFT);
uint8_t battery = max1704x_bat();
char batlvl[5];
if (battery > 100) {
battery = 100;
}
//battery = 19;
uint16_t x = 75;
uint16_t y = 40;
gfx_draw_rect(x, y, 164, 54, GFX_COLOR_WHITE);
gfx_draw_filled_rect(x+164, y+15, 3, 20, GFX_COLOR_WHITE);
if (battery < 20) {
gfx_draw_filled_rect(x+2, y+2, battery/6 * 10, 50, GFX_COLOR_RED);
} else {
gfx_draw_filled_rect(x+2, y+2, battery/6 * 10, 50, GFX_COLOR_GREEN);
}
snprintf(batlvl, sizeof(batlvl), "%d%%", battery);
if (battery > 20) {
gfx_draw_string_aligned(batlvl, gfx_get_width() /2, 50, &large_sysfont, GFX_COLOR_TRANSPARENT, GFX_COLOR_WHITE, TEXT_POS_CENTER_X, TEXT_ALIGN_LEFT);
} else {
gfx_draw_string_aligned(batlvl, gfx_get_width() /2, 50, &large_sysfont, GFX_COLOR_TRANSPARENT, GFX_COLOR_WHITE, TEXT_POS_CENTER_X, TEXT_ALIGN_LEFT);
}
char atime[32];
snprintf(atime, sizeof(atime), "Seconds Awake: %lu", get_time_awake());
gfx_draw_string_aligned(atime, 70, 100, &sysfont, GFX_COLOR_TRANSPARENT, GFX_COLOR_WHITE, TEXT_POS_LEFT, TEXT_ALIGN_LEFT);
char stime[32];
snprintf(stime, sizeof(stime), "Seconds Sleeping: %lu", get_time_sleep());
gfx_draw_string_aligned(stime, 70, 120, &sysfont, GFX_COLOR_TRANSPARENT, GFX_COLOR_WHITE, TEXT_POS_LEFT, TEXT_ALIGN_LEFT);
gfx_draw_filled_circle(gfx_get_width() /2, 80+80+10+10, 25, GFX_COLOR_WHITE, GFX_WHOLE);
gfx_draw_string_aligned(SYMFONT_MOON, gfx_get_width() /2, 152+10, &symbol_sysfont, GFX_COLOR_TRANSPARENT, GFX_COLOR(200, 101, 18), TEXT_POS_CENTER_X, TEXT_ALIGN_CENTER);
gfx_draw_string_aligned("Enter Sleep Mode", gfx_get_width() / 2, 152+15+30+15, &sysfont, GFX_COLOR_TRANSPARENT, GFX_COLOR_WHITE, TEXT_POS_CENTER_X, TEXT_ALIGN_LEFT);
struct keyboard_event input;
while(mma8451_orientation() != 6) {
esp8266_check_buffer();
if(mma8451_clear_interrupt() && is_low_power()) {
exit_low_power();
}
keyboard_get_key_state(&input);
if (input.type == KEYBOARD_RELEASE) {
if (input.keycode == KEYBOARD_B) {
break;
} else if (input.keycode == KEYBOARD_A) {
esp8266_enter_standby();
enter_low_power();
break;
}
}
}
}
