* buttons.c *
***********************************************************/
+#include <stdarg.h>
+
#include "buttons.h"
#include "tools.h"
#include "misc.h"
DrawMiniGraphicExt(drawto,gc,
DX+ED_BUTTON_ELEM_XPOS+3+shift +
(elem_pos % MAX_ELEM_X)*ED_BUTTON_ELEM_XSIZE,
- DY+ED_BUTTON_ELEM_YPOS+3-shift +
+ DY+ED_BUTTON_ELEM_YPOS+3+shift +
(elem_pos / MAX_ELEM_X)*ED_BUTTON_ELEM_YSIZE,
graphic);
}
BackToFront();
return(return_code);
}
+
+
+/* NEW GADGET STUFF -------------------------------------------------------- */
+
+
+static struct GadgetInfo *gadget_list_first_entry = NULL;
+static struct GadgetInfo *gadget_list_last_entry = NULL;
+static int next_free_gadget_id = 1;
+static boolean gadget_id_wrapped = FALSE;
+
+static struct GadgetInfo *getGadgetInfoFromGadgetID(int id)
+{
+ struct GadgetInfo *gi = gadget_list_first_entry;
+
+ while (gi && gi->id != id)
+ gi = gi->next;
+
+ return gi;
+}
+
+static int getNewGadgetID()
+{
+ int id = next_free_gadget_id++;
+
+ if (next_free_gadget_id <= 0) /* counter overrun */
+ {
+ gadget_id_wrapped = TRUE; /* now we must check each ID */
+ next_free_gadget_id = 0;
+ }
+
+ if (gadget_id_wrapped)
+ {
+ next_free_gadget_id++;
+ while (getGadgetInfoFromGadgetID(next_free_gadget_id) != NULL)
+ next_free_gadget_id++;
+ }
+
+ if (next_free_gadget_id <= 0) /* cannot get new gadget id */
+ Error(ERR_EXIT, "too much gadgets -- this should not happen");
+
+ return id;
+}
+
+static struct GadgetInfo *getGadgetInfoFromMousePosition(int mx, int my)
+{
+ struct GadgetInfo *gi = gadget_list_first_entry;
+
+ while (gi)
+ {
+ if (gi->mapped &&
+ mx >= gi->x && mx < gi->x + gi->width &&
+ my >= gi->y && my < gi->y + gi->height)
+ break;
+
+ gi = gi->next;
+ }
+
+ return gi;
+}
+
+static void default_callback_function(void *ptr)
+{
+ return;
+}
+
+struct GadgetInfo *CreateGadget(int first_tag, ...)
+{
+ struct GadgetInfo *new_gadget = checked_malloc(sizeof(struct GadgetInfo));
+ int tag = first_tag;
+ va_list ap;
+
+ va_start(ap, first_tag);
+
+ /* always start with reliable default values */
+ memset(new_gadget, 0, sizeof(struct GadgetInfo)); /* zero all fields */
+ new_gadget->id = getNewGadgetID(); /* new gadget id */
+ new_gadget->callback = default_callback_function; /* dummy function */
+
+ while (tag != GDI_END)
+ {
+ switch(tag)
+ {
+ case GDI_CUSTOM_ID:
+ new_gadget->custom_id = va_arg(ap, int);
+ break;
+
+ case GDI_X:
+ new_gadget->x = va_arg(ap, int);
+ break;
+
+ case GDI_Y:
+ new_gadget->y = va_arg(ap, int);
+ break;
+
+ case GDI_WIDTH:
+ new_gadget->width = va_arg(ap, int);
+ break;
+
+ case GDI_HEIGHT:
+ new_gadget->height = va_arg(ap, int);
+ break;
+
+ case GDI_TYPE:
+ new_gadget->type = va_arg(ap, unsigned long);
+ break;
+
+ case GDI_STATE:
+ new_gadget->state = va_arg(ap, unsigned long);
+ break;
+
+ case GDI_ALT_STATE:
+ new_gadget->state = va_arg(ap, boolean);
+ break;
+
+ case GDI_NUMBER_VALUE:
+ new_gadget->number_value = va_arg(ap, long);
+ break;
+
+ case GDI_TEXT_VALUE:
+ strcpy(new_gadget->text_value, va_arg(ap, char *));
+ break;
+
+ case GDI_DESIGN_UNPRESSED:
+ new_gadget->design[GD_BUTTON_UNPRESSED].pixmap = va_arg(ap, Pixmap);
+ new_gadget->design[GD_BUTTON_UNPRESSED].x = va_arg(ap, int);
+ new_gadget->design[GD_BUTTON_UNPRESSED].y = va_arg(ap, int);
+ break;
+
+ case GDI_DESIGN_PRESSED:
+ new_gadget->design[GD_BUTTON_PRESSED].pixmap = va_arg(ap, Pixmap);
+ new_gadget->design[GD_BUTTON_PRESSED].x = va_arg(ap, int);
+ new_gadget->design[GD_BUTTON_PRESSED].y = va_arg(ap, int);
+ break;
+
+ case GDI_ALT_DESIGN_UNPRESSED:
+ new_gadget->alt_design[GD_BUTTON_UNPRESSED].pixmap= va_arg(ap, Pixmap);
+ new_gadget->alt_design[GD_BUTTON_UNPRESSED].x = va_arg(ap, int);
+ new_gadget->alt_design[GD_BUTTON_UNPRESSED].y = va_arg(ap, int);
+ break;
+
+ case GDI_ALT_DESIGN_PRESSED:
+ new_gadget->alt_design[GD_BUTTON_PRESSED].pixmap = va_arg(ap, Pixmap);
+ new_gadget->alt_design[GD_BUTTON_PRESSED].x = va_arg(ap, int);
+ new_gadget->alt_design[GD_BUTTON_PRESSED].y = va_arg(ap, int);
+ break;
+
+ case GDI_EVENT_MASK:
+ new_gadget->event_mask = va_arg(ap, unsigned long);
+ break;
+
+ case GDI_AREA_SIZE:
+ new_gadget->drawing.area_xsize = va_arg(ap, int);
+ new_gadget->drawing.area_ysize = va_arg(ap, int);
+
+ /* determine dependent values for drawing area gadget, if needed */
+ if (new_gadget->width == 0 &&
+ new_gadget->height == 0 &&
+ new_gadget->drawing.item_xsize !=0 &&
+ new_gadget->drawing.item_ysize !=0)
+ {
+ new_gadget->width =
+ new_gadget->drawing.area_xsize * new_gadget->drawing.item_xsize;
+ new_gadget->height =
+ new_gadget->drawing.area_ysize * new_gadget->drawing.item_ysize;
+ }
+ else if (new_gadget->drawing.item_xsize == 0 &&
+ new_gadget->drawing.item_ysize == 0 &&
+ new_gadget->width != 0 &&
+ new_gadget->height != 0)
+ {
+ new_gadget->drawing.item_xsize =
+ new_gadget->width / new_gadget->drawing.area_xsize;
+ new_gadget->drawing.item_ysize =
+ new_gadget->height / new_gadget->drawing.area_ysize;
+ }
+ break;
+
+ case GDI_ITEM_SIZE:
+ new_gadget->drawing.item_xsize = va_arg(ap, int);
+ new_gadget->drawing.item_ysize = va_arg(ap, int);
+
+ /* determine dependent values for drawing area gadget, if needed */
+ if (new_gadget->width == 0 &&
+ new_gadget->height == 0 &&
+ new_gadget->drawing.area_xsize !=0 &&
+ new_gadget->drawing.area_ysize !=0)
+ {
+ new_gadget->width =
+ new_gadget->drawing.area_xsize * new_gadget->drawing.item_xsize;
+ new_gadget->height =
+ new_gadget->drawing.area_ysize * new_gadget->drawing.item_ysize;
+ }
+ else if (new_gadget->drawing.area_xsize == 0 &&
+ new_gadget->drawing.area_ysize == 0 &&
+ new_gadget->width != 0 &&
+ new_gadget->height != 0)
+ {
+ new_gadget->drawing.area_xsize =
+ new_gadget->width / new_gadget->drawing.item_xsize;
+ new_gadget->drawing.area_ysize =
+ new_gadget->height / new_gadget->drawing.item_ysize;
+ }
+ break;
+
+ case GDI_CALLBACK:
+ new_gadget->callback = va_arg(ap, gadget_callback_function);
+ break;
+
+ default:
+ Error(ERR_EXIT, "CreateGadget(): unknown tag %d", tag);
+ }
+
+ tag = va_arg(ap, int); /* read next tag */
+ }
+
+ va_end(ap);
+
+ /* check if gadget complete */
+ if (new_gadget->type != GD_TYPE_DRAWING_AREA &&
+ (!new_gadget->design[GD_BUTTON_UNPRESSED].pixmap ||
+ !new_gadget->design[GD_BUTTON_PRESSED].pixmap))
+ Error(ERR_EXIT, "gadget incomplete (missing Pixmap)");
+
+ /* insert new gadget into gloabl gadget list */
+
+ if (gadget_list_last_entry)
+ {
+ gadget_list_last_entry->next = new_gadget;
+ gadget_list_last_entry = gadget_list_last_entry->next;
+ }
+ else
+ {
+ gadget_list_first_entry = gadget_list_last_entry = new_gadget;
+ }
+
+ return new_gadget;
+}
+
+void FreeGadget(struct GadgetInfo *gi)
+{
+ struct GadgetInfo *gi_previous = gadget_list_first_entry;
+
+ while (gi_previous && gi_previous->next != gi)
+ gi_previous = gi_previous->next;
+
+ if (gi == gadget_list_first_entry)
+ gadget_list_first_entry = gi->next;
+
+ if (gi == gadget_list_last_entry)
+ gadget_list_last_entry = gi_previous;
+
+ gi_previous->next = gi->next;
+ free(gi);
+}
+
+static void DrawGadget(struct GadgetInfo *gi, boolean pressed, boolean direct)
+{
+ int state = (pressed ? 1 : 0);
+ struct GadgetDesign *gd = (gi->alt_state ?
+ &gi->alt_design[state] :
+ &gi->design[state]);
+
+ if (gi->type != GD_TYPE_NORMAL_BUTTON)
+ return;
+
+ XCopyArea(display, gd->pixmap, drawto, gc,
+ gd->x, gd->y, gi->width, gi->height, gi->x, gi->y);
+
+ if (direct)
+ XCopyArea(display, gd->pixmap, window, gc,
+ gd->x, gd->y, gi->width, gi->height, gi->x, gi->y);
+ else
+ redraw_mask |= REDRAW_ALL;
+}
+
+void MapGadget(struct GadgetInfo *gi)
+{
+ if (gi == NULL)
+ return;
+
+ gi->mapped = TRUE;
+
+ DrawGadget(gi, (gi->state == GD_BUTTON_PRESSED), FALSE);
+}
+
+void UnmapGadget(struct GadgetInfo *gi)
+{
+ if (gi == NULL)
+ return;
+
+ gi->mapped = FALSE;
+}
+
+void HandleGadgets(int mx, int my, int button)
+{
+ static struct GadgetInfo *gi = NULL;
+ static unsigned long pressed_delay = 0;
+
+#if 0
+ static boolean pressed = FALSE;
+#endif
+
+ struct GadgetInfo *new_gi;
+ boolean gadget_pressed;
+ boolean gadget_pressed_repeated;
+ boolean gadget_moving_inside;
+ boolean gadget_moving_outside;
+ boolean gadget_released;
+
+ if (gadget_list_first_entry == NULL)
+ return;
+
+ new_gi = getGadgetInfoFromMousePosition(mx,my);
+
+ gadget_pressed =
+ (button != 0 && gi == NULL && new_gi != NULL);
+ gadget_pressed_repeated =
+ (button != 0 && gi != NULL && new_gi == gi);
+ gadget_moving_inside =
+ (button != 0 && gi != NULL && new_gi == gi && motion_status);
+ gadget_moving_outside =
+ (button != 0 && gi != NULL && new_gi != gi && motion_status);
+ gadget_released =
+ (button == 0 && gi != NULL && new_gi == gi);
+
+ if (gadget_pressed)
+ gi = new_gi;
+
+ if (gi)
+ {
+ gi->event.x = mx - gi->x;
+ gi->event.y = my - gi->y;
+
+ if (gi->type == GD_TYPE_DRAWING_AREA)
+ {
+ gi->event.x /= gi->drawing.item_xsize;
+ gi->event.y /= gi->drawing.item_ysize;
+ }
+ }
+
+ if (gadget_pressed)
+ {
+ DrawGadget(gi, TRUE, TRUE);
+
+ gi->state = GD_BUTTON_PRESSED;
+ gi->event.type = GD_EVENT_PRESSED;
+ gi->event.button = button;
+ gi->event.off_borders = FALSE;
+
+ /* initialize delay counter */
+ pressed_delay = 0;
+ DelayReached(&pressed_delay, GADGET_FRAME_DELAY);
+
+ if (gi->event_mask & GD_EVENT_PRESSED)
+ gi->callback(gi);
+ }
+
+ if (gadget_pressed_repeated)
+ {
+ if (gi->event_mask & GD_EVENT_REPEATED &&
+ DelayReached(&pressed_delay, GADGET_FRAME_DELAY))
+ gi->callback(gi);
+ }
+
+ if (gadget_moving_inside)
+ {
+ if (gi->state == GD_BUTTON_UNPRESSED)
+ DrawGadget(gi, TRUE, TRUE);
+
+ gi->state = GD_BUTTON_PRESSED;
+ gi->event.type = GD_EVENT_MOVING;
+ gi->event.off_borders = FALSE;
+ if (gi->event_mask & GD_EVENT_MOVING)
+ gi->callback(gi);
+ }
+
+ if (gadget_moving_outside)
+ {
+ if (gi->state == GD_BUTTON_PRESSED)
+ DrawGadget(gi, FALSE, TRUE);
+
+ gi->state = GD_BUTTON_UNPRESSED;
+ gi->event.type = GD_EVENT_MOVING;
+ gi->event.off_borders = TRUE;
+
+ if (gi->event_mask & GD_EVENT_MOVING)
+ gi->callback(gi);
+ }
+
+ if (gadget_released)
+ {
+ DrawGadget(gi, FALSE, TRUE);
+
+ gi->state = GD_BUTTON_UNPRESSED;
+ gi->event.type = GD_EVENT_RELEASED;
+
+ if (gi->event_mask & GD_EVENT_RELEASED)
+ gi->callback(gi);
+ }
+
+ if (button == 0)
+ gi = NULL;
+
+
+
+#if 0
+ if (button)
+ {
+ if (!motion_status) /* mouse button just pressed */
+ {
+ if (new_gi != NULL)
+ {
+ gi = new_gi;
+ gi->state = GD_BUTTON_PRESSED;
+ gi->event.type = GD_EVENT_PRESSED;
+ gi->event.button = button;
+ DrawGadget(gi, TRUE, TRUE);
+
+ /* initialize delay counter */
+ pressed_delay = 0;
+ DelayReached(&pressed_delay, GADGET_FRAME_DELAY);
+
+
+ printf("new gadget pressed\n");
+
+
+ if (gi->event_mask & GD_EVENT_PRESSED)
+ gi->callback(gi);
+
+ pressed = TRUE;
+ }
+ }
+ else /* mouse movement with pressed mouse button */
+ {
+ if (new_gi != gi && gi != NULL)
+ {
+ if (pressed)
+ DrawGadget(gi, FALSE, TRUE);
+ gi->state = GD_BUTTON_UNPRESSED;
+ gi->event.type = GD_EVENT_MOVING;
+
+
+ printf("outside gadget\n");
+
+
+
+
+ if (gi->event_mask & GD_EVENT_MOVING)
+ gi->callback(gi);
+
+ pressed = FALSE;
+ }
+ else if (new_gi == gi && gi != NULL)
+ {
+ if (!pressed)
+ DrawGadget(gi, TRUE, TRUE);
+ gi->state = GD_BUTTON_PRESSED;
+ gi->event.type = GD_EVENT_MOVING;
+
+
+ printf("inside gadget\n");
+
+
+
+
+ if (gi->event_mask & GD_EVENT_MOVING)
+ gi->callback(gi);
+
+ pressed = TRUE;
+ }
+ }
+
+ if (gi != NULL &&
+ gi->event_mask & GD_EVENT_PRESSED_REPEATED &&
+ gi->state == GD_BUTTON_PRESSED &&
+ DelayReached(&pressed_delay, GADGET_FRAME_DELAY))
+ {
+ printf("gadget pressed (repeated)\n");
+
+
+ gi->callback(gi);
+ }
+ }
+ else /* mouse button just released */
+ {
+ if (new_gi == gi && gi != NULL && pressed)
+ {
+ gi->state = GD_BUTTON_UNPRESSED;
+ gi->event.type = GD_EVENT_RELEASED;
+ DrawGadget(gi, FALSE, TRUE);
+
+
+ printf("gadget released\n");
+
+
+
+ if (gi->event_mask & GD_EVENT_RELEASED)
+ gi->callback(gi);
+ }
+
+ gi = NULL;
+ pressed = FALSE;
+ }
+#endif
+
+
+
+}
projects / rocksndiamonds.git / blobdiff