* buttons.c *
***********************************************************/
+#include <stdarg.h>
+
#include "buttons.h"
#include "tools.h"
#include "misc.h"
BackToFront();
return(return_code);
}
+
+
+/* NEW GADGET STUFF -------------------------------------------------------- */
+
+
+static struct GadgetInfo *gadget_list_first_entry = NULL;
+static struct GadgetInfo *gadget_list_last_entry = NULL;
+
+static struct GadgetInfo *getGadgetInfoFromMousePosition(int mx, int my)
+{
+ struct GadgetInfo *gi = gadget_list_first_entry;
+
+ while (gi)
+ {
+ if (mx >= gi->x && mx < gi->x + gi->width &&
+ my >= gi->y && my < gi->y + gi->height)
+ break;
+
+ gi = gi->next;
+ }
+
+ return gi;
+}
+
+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));
+
+ while (tag != GDI_END)
+ {
+ printf("tag: %d\n", tag);
+
+
+ switch(tag)
+ {
+ 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_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->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]);
+
+ 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);
+}
+
+void MapGadget(struct GadgetInfo *gi)
+{
+ gi->mapped = TRUE;
+
+ DrawGadget(gi, (gi->state == GD_BUTTON_PRESSED), TRUE);
+}
+
+void UnmapGadget(struct GadgetInfo *gi)
+{
+ gi->mapped = FALSE;
+}
+
+void HandleGadgets(int mx, int my, int button)
+{
+ static struct GadgetInfo *choice = NULL;
+ static boolean pressed = FALSE;
+ struct GadgetInfo *new_choice;
+
+ if (gadget_list_first_entry == NULL)
+ return;
+
+ new_choice = getGadgetInfoFromMousePosition(mx,my);
+
+ if (button)
+ {
+ if (!motion_status) /* mouse button just pressed */
+ {
+ if (new_choice != NULL)
+ {
+ choice = new_choice;
+ choice->state = GD_BUTTON_PRESSED;
+ choice->event = GD_EVENT_PRESSED;
+ DrawGadget(choice, TRUE, TRUE);
+ choice->callback(choice);
+ pressed = TRUE;
+ }
+ }
+ else /* mouse movement with pressed mouse button */
+ {
+ if ((new_choice == NULL || new_choice != choice) &&
+ choice != NULL && pressed)
+ {
+ choice->state = GD_BUTTON_UNPRESSED;
+ DrawGadget(choice, FALSE, TRUE);
+ pressed = FALSE;
+ }
+ else if (new_choice != NULL && new_choice == choice)
+ {
+ if (!pressed)
+ DrawGadget(choice, TRUE, TRUE);
+ choice->state = GD_BUTTON_PRESSED;
+
+ /*
+ choice->callback(choice);
+ */
+
+ pressed = TRUE;
+ }
+ }
+ }
+ else /* mouse button just released */
+ {
+ if (new_choice != NULL && new_choice == choice && pressed)
+ {
+ choice->state = GD_BUTTON_UNPRESSED;
+ choice->event = GD_EVENT_RELEASED;
+ DrawGadget(choice, FALSE, TRUE);
+ choice->callback(choice);
+ choice = NULL;
+ pressed = FALSE;
+ }
+ else
+ {
+ choice = NULL;
+ pressed = FALSE;
+ }
+ }
+}
projects / rocksndiamonds.git / blobdiff