-/***********************************************************
-* Artsoft Retro-Game Library *
-*----------------------------------------------------------*
-* (c) 1994-2002 Artsoft Entertainment *
-* Holger Schemel *
-* Detmolder Strasse 189 *
-* 33604 Bielefeld *
-* Germany *
-* e-mail: info@artsoft.org *
-*----------------------------------------------------------*
-* gadgets.c *
-***********************************************************/
+// ============================================================================
+// Artsoft Retro-Game Library
+// ----------------------------------------------------------------------------
+// (c) 1995-2014 by Artsoft Entertainment
+// Holger Schemel
+// info@artsoft.org
+// http://www.artsoft.org/
+// ----------------------------------------------------------------------------
+// gadgets.c
+// ============================================================================
#include <stdarg.h>
#include <string.h>
#define DG_BUFFERED 0
#define DG_DIRECT 1
+#define GADGET_DEACTIVATED(g) ((g)->x < 0 || (g)->y < 0)
+
+
static struct GadgetInfo *gadget_list_first_entry = NULL;
static struct GadgetInfo *gadget_list_last_entry = NULL;
static struct GadgetInfo *last_info_gi = NULL;
static int next_free_gadget_id = 1;
static boolean gadget_id_wrapped = FALSE;
+static void (*PlayGadgetSoundActivating)(void) = NULL;
+static void (*PlayGadgetSoundSelecting)(void) = NULL;
+
+
+void InitGadgetsSoundCallback(void (*activating_function)(void),
+ void (*selecting_function)(void))
+{
+ PlayGadgetSoundActivating = activating_function;
+ PlayGadgetSoundSelecting = selecting_function;
+}
+
static struct GadgetInfo *getGadgetInfoFromGadgetID(int id)
{
struct GadgetInfo *gi = gadget_list_first_entry;
struct GadgetInfo *gi;
/* first check for scrollbars in case of mouse scroll wheel button events */
- if (button == 4 || button == 5)
+ if (IS_WHEEL_BUTTON(button))
{
-#if 0
- printf("WHOA! SCROLL WHEEL DETECTED [%d]\n", button);
-#endif
+ /* real horizontal wheel or vertical wheel with modifier key pressed */
+ boolean check_horizontal = (IS_WHEEL_BUTTON_HORIZONTAL(button) ||
+ GetKeyModState() & KMOD_Shift);
+ /* check for the first active scrollbar with matching mouse wheel area */
for (gi = gadget_list_first_entry; gi != NULL; gi = gi->next)
{
if (gi->mapped && gi->active &&
- gi->type & GD_TYPE_SCROLLBAR)
+ ((gi->type & GD_TYPE_SCROLLBAR_HORIZONTAL && check_horizontal) ||
+ (gi->type & GD_TYPE_SCROLLBAR_VERTICAL && !check_horizontal)) &&
+ mx >= gi->wheelarea.x && mx < gi->wheelarea.x + gi->wheelarea.width &&
+ my >= gi->wheelarea.y && my < gi->wheelarea.y + gi->wheelarea.height)
return gi;
}
- /* no active scrollbar found -- ignore this button event */
+ /* no active scrollbar found -- ignore this scroll wheel button event */
return NULL;
}
gi->height - 2 * border_y);
/* gadget text value */
- DrawTextToTextArea(gi->x + border_x, gi->y + border_y,
- gi->textarea.value, font_nr, gi->textarea.xsize,
- gi->textarea.xsize, gi->textarea.ysize,
- BLIT_ON_BACKGROUND);
+ DrawTextBuffer(gi->x + border_x, gi->y + border_y, gi->textarea.value,
+ font_nr, gi->textarea.xsize, -1, gi->textarea.ysize, 0,
+ BLIT_ON_BACKGROUND, FALSE, FALSE, FALSE);
cursor_letter = gi->textarea.value[gi->textarea.cursor_position];
cursor_string[0] = (cursor_letter != '\0' ? cursor_letter : ' ');
gi->selectbox.x, gi->selectbox.y);
}
else
- redraw_mask |= (gi->x < gfx.sx + gfx.sxsize ? REDRAW_FIELD :
- gi->y < gfx.dy + gfx.dysize ? REDRAW_DOOR_1 :
- gi->y > gfx.vy ? REDRAW_DOOR_2 : REDRAW_DOOR_3);
+ {
+ int x = gi->x;
+ int y = gi->y;
+
+ redraw_mask |= (IN_GFX_FIELD_FULL(x, y) ? REDRAW_FIELD :
+ IN_GFX_DOOR_1(x, y) ? REDRAW_DOOR_1 :
+ IN_GFX_DOOR_2(x, y) ? REDRAW_DOOR_2 :
+ IN_GFX_DOOR_3(x, y) ? REDRAW_DOOR_3 : REDRAW_ALL);
+ }
}
static int get_minimal_size_for_numeric_input(int minmax_value)
case GDI_INFO_TEXT:
{
- int max_textsize = MAX_INFO_TEXTSIZE - 1;
+ int max_textsize = MAX_INFO_TEXTSIZE;
char *text = va_arg(ap, char *);
if (text != NULL)
break;
case GDI_ACTIVE:
- /* take care here: "boolean" is typedef'ed as "unsigned char",
- which gets promoted to "int" */
gi->active = (boolean)va_arg(ap, int);
break;
case GDI_DIRECT_DRAW:
- /* take care here: "boolean" is typedef'ed as "unsigned char",
- which gets promoted to "int" */
gi->direct_draw = (boolean)va_arg(ap, int);
break;
case GDI_CHECKED:
- /* take care here: "boolean" is typedef'ed as "unsigned char",
- which gets promoted to "int" */
gi->checked = (boolean)va_arg(ap, int);
break;
int max_textsize = MAX_GADGET_TEXTSIZE;
if (gi->textinput.size)
- max_textsize = MIN(gi->textinput.size, MAX_GADGET_TEXTSIZE - 1);
+ max_textsize = MIN(gi->textinput.size, MAX_GADGET_TEXTSIZE);
strncpy(gi->textinput.value, va_arg(ap, char *), max_textsize);
strcpy(gi->textinput.last_value, gi->textinput.value);
case GDI_TEXT_SIZE:
{
int tag_value = va_arg(ap, int);
- int max_textsize = MIN(tag_value, MAX_GADGET_TEXTSIZE - 1);
+ int max_textsize = MIN(tag_value, MAX_GADGET_TEXTSIZE);
gi->textinput.size = max_textsize;
gi->textinput.value[max_textsize] = '\0';
gi->scrollbar.item_position = va_arg(ap, int);
break;
+ case GDI_WHEEL_AREA_X:
+ gi->wheelarea.x = va_arg(ap, int);
+ break;
+
+ case GDI_WHEEL_AREA_Y:
+ gi->wheelarea.y = va_arg(ap, int);
+ break;
+
+ case GDI_WHEEL_AREA_WIDTH:
+ gi->wheelarea.width = va_arg(ap, int);
+ break;
+
+ case GDI_WHEEL_AREA_HEIGHT:
+ gi->wheelarea.height = va_arg(ap, int);
+ break;
+
case GDI_CALLBACK_INFO:
gi->callback_info = va_arg(ap, gadget_function);
break;
{
struct GadgetInfo *gi_previous = gadget_list_first_entry;
+ if (gi == NULL)
+ return;
+
/* prevent "last_info_gi" from pointing to memory that will be freed */
if (last_info_gi == gi)
last_info_gi = NULL;
static void MapGadgetExt(struct GadgetInfo *gi, boolean redraw)
{
- if (gi == NULL || gi->mapped)
+ if (gi == NULL || gi->mapped || GADGET_DEACTIVATED(gi))
return;
gi->mapped = TRUE;
#define MULTIMAP_PLAYFIELD (1 << 3)
#define MULTIMAP_DOOR_1 (1 << 4)
#define MULTIMAP_DOOR_2 (1 << 5)
+#define MULTIMAP_DOOR_3 (1 << 6)
#define MULTIMAP_ALL (MULTIMAP_PLAYFIELD | \
- MULTIMAP_DOOR_1 | \
- MULTIMAP_DOOR_2)
+ MULTIMAP_DOOR_1 | \
+ MULTIMAP_DOOR_2 | \
+ MULTIMAP_DOOR_3)
static void MultiMapGadgets(int mode)
{
while (gi != NULL)
{
- if ((mode & MULTIMAP_PLAYFIELD &&
- gi->x < gfx.sx + gfx.sxsize) ||
- (mode & MULTIMAP_DOOR_1 &&
- gi->x >= gfx.dx && gi->y < gfx.dy + gfx.dysize) ||
- (mode & MULTIMAP_DOOR_2 &&
- gi->x >= gfx.dx && gi->y > gfx.dy + gfx.dysize) ||
+ int x = gi->x;
+ int y = gi->y;
+
+ if ((mode & MULTIMAP_PLAYFIELD && IN_GFX_FIELD_FULL(x, y)) ||
+ (mode & MULTIMAP_DOOR_1 && IN_GFX_DOOR_1(x, y)) ||
+ (mode & MULTIMAP_DOOR_2 && IN_GFX_DOOR_2(x, y)) ||
+ (mode & MULTIMAP_DOOR_3 && IN_GFX_DOOR_3(x, y)) ||
(mode & MULTIMAP_ALL) == MULTIMAP_ALL)
{
if (mode & MULTIMAP_UNMAP)
static boolean insideSelectboxLine(struct GadgetInfo *gi, int mx, int my)
{
- return(gi != NULL &&
- gi->type & GD_TYPE_SELECTBOX &&
- mx >= gi->x && mx < gi->x + gi->width &&
- my >= gi->y && my < gi->y + gi->height);
+ return (gi != NULL &&
+ gi->type & GD_TYPE_SELECTBOX &&
+ mx >= gi->x && mx < gi->x + gi->width &&
+ my >= gi->y && my < gi->y + gi->height);
}
static boolean insideSelectboxArea(struct GadgetInfo *gi, int mx, int my)
{
- return(gi != NULL &&
- gi->type & GD_TYPE_SELECTBOX &&
- mx >= gi->selectbox.x && mx < gi->selectbox.x + gi->selectbox.width &&
- my >= gi->selectbox.y && my < gi->selectbox.y + gi->selectbox.height);
+ return (gi != NULL &&
+ gi->type & GD_TYPE_SELECTBOX &&
+ mx >= gi->selectbox.x && mx < gi->selectbox.x + gi->selectbox.width &&
+ my >= gi->selectbox.y && my < gi->selectbox.y + gi->selectbox.height);
}
void ClickOnGadget(struct GadgetInfo *gi, int button)
boolean HandleGadgets(int mx, int my, int button)
{
- static unsigned long pressed_delay = 0;
+ static unsigned int pressed_delay = 0;
+ static unsigned int pressed_delay_value = GADGET_FRAME_DELAY;
static int last_button = 0;
static int last_mx = 0, last_my = 0;
static int pressed_mx = 0, pressed_my = 0;
boolean gadget_dragging;
boolean gadget_released;
boolean gadget_released_inside;
- boolean gadget_released_inside_select_line;
boolean gadget_released_inside_select_area;
boolean gadget_released_off_borders;
boolean changed_position = FALSE;
(gadget_pressed_inside_select_line && !mouse_inside_select_area)))
{
struct GadgetInfo *gi = last_gi;
- boolean gadget_changed = (gi->event_mask & GD_EVENT_TEXT_LEAVING);
+ boolean gadget_changed = ((gi->event_mask & GD_EVENT_TEXT_LEAVING) != 0);
/* check if text gadget has changed its value */
if (gi->type & GD_TYPE_TEXT_INPUT)
(button != 0 && last_gi != NULL && new_gi == last_gi);
gadget_pressed_delay_reached =
- DelayReached(&pressed_delay, GADGET_FRAME_DELAY);
+ DelayReached(&pressed_delay, pressed_delay_value);
gadget_released = (release_event && last_gi != NULL);
gadget_released_inside = (gadget_released && new_gi == last_gi);
/* when handling selectbox, set additional state values */
if (gadget_released_inside && (last_gi->type & GD_TYPE_SELECTBOX))
- {
- gadget_released_inside_select_line = insideSelectboxLine(last_gi, mx, my);
gadget_released_inside_select_area = insideSelectboxArea(last_gi, mx, my);
- }
else
- {
- gadget_released_inside_select_line = FALSE;
gadget_released_inside_select_area = FALSE;
- }
/* setting state for handling over-large selectbox */
if (keep_selectbox_open && (press_event || !mouse_inside_select_line))
last_info_gi = new_gi;
}
-#if 1
-
gadget_draggable = (gi && gi->type & GD_TYPE_SCROLLBAR);
/* reset drag position for newly pressed scrollbar to "not dragging" */
if ((gadget_pressed) ||
(gadget_pressed_repeated && gadget_pressed_delay_reached))
{
+ if (gadget_pressed) /* gadget pressed the first time */
+ {
+ /* initialize delay counter */
+ DelayReached(&pressed_delay, 0);
+
+ /* start gadget delay with longer delay after first click on gadget */
+ pressed_delay_value = GADGET_FRAME_DELAY_FIRST;
+ }
+ else /* gadget hold pressed for some time */
+ {
+ /* after first repeated gadget click, continue with shorter delay value */
+ pressed_delay_value = GADGET_FRAME_DELAY;
+ }
+
if (gi->type & GD_TYPE_SCROLLBAR && !gadget_dragging)
{
int mpos = (gi->type == GD_TYPE_SCROLLBAR_HORIZONTAL ? mx : my);
int gpos = (gi->type == GD_TYPE_SCROLLBAR_HORIZONTAL ? gi->x : gi->y);
+ int slider_start = gpos + gi->scrollbar.position;
+ int slider_end = gpos + gi->scrollbar.position + gi->scrollbar.size - 1;
+ boolean inside_slider = (mpos >= slider_start && mpos <= slider_end);
- if (button > 3 ||
- mpos < gpos + gi->scrollbar.position ||
- mpos >= gpos + gi->scrollbar.position + gi->scrollbar.size)
+ if (IS_WHEEL_BUTTON(button) || !inside_slider)
{
/* click scrollbar one scrollbar length up/left or down/right */
int item_steps = gs->items_visible - 1;
int item_direction = (mpos < gpos + gi->scrollbar.position ? -1 : +1);
- if (button > 3)
+ if (IS_WHEEL_BUTTON(button))
{
- item_steps = 3;
- item_direction = (button == 4 ? -1 : +1);
+ boolean scroll_single_step = ((GetKeyModState() & KMOD_Alt) != 0);
+
+ item_steps = (scroll_single_step ? 1 : DEFAULT_WHEEL_STEPS);
+ item_direction = (button == MB_WHEEL_UP ||
+ button == MB_WHEEL_LEFT ? -1 : +1);
}
changed_position = FALSE;
}
}
-#endif
-
if (gadget_pressed)
{
+ PlayGadgetSoundActivating();
+
if (gi->type == GD_TYPE_CHECK_BUTTON)
{
gi->checked = !gi->checked;
{
int mpos = (gi->type == GD_TYPE_SCROLLBAR_HORIZONTAL ? mx : my);
int gpos = (gi->type == GD_TYPE_SCROLLBAR_HORIZONTAL ? gi->x : gi->y);
+ int slider_start = gpos + gi->scrollbar.position;
+ int slider_end = gpos + gi->scrollbar.position + gi->scrollbar.size - 1;
+ boolean inside_slider = (mpos >= slider_start && mpos <= slider_end);
- if (button >= 1 && button <= 3 &&
- mpos >= gpos + gi->scrollbar.position &&
- mpos < gpos + gi->scrollbar.position + gi->scrollbar.size)
+ if (!IS_WHEEL_BUTTON(button) && inside_slider)
{
/* start dragging scrollbar */
gi->scrollbar.drag_position =
gi->event.button = button;
gi->event.off_borders = FALSE;
- /* initialize delay counter */
- DelayReached(&pressed_delay, 0);
-
if (gi->event_mask & GD_EVENT_PRESSED)
gi->callback_action(gi);
}
{
gi->event.type = GD_EVENT_PRESSED;
-#if 1
if (gi->event_mask & GD_EVENT_REPEATED && gadget_pressed_delay_reached)
gi->callback_action(gi);
-#else
- if (gi->event_mask & GD_EVENT_REPEATED &&
- DelayReached(&pressed_delay, GADGET_FRAME_DELAY))
- gi->callback_action(gi);
-#endif
}
if (gadget_moving)
if (gi->type & GD_TYPE_SCROLLBAR)
DrawGadget(gi, DG_UNPRESSED, gi->direct_draw);
-#if 1
gi->state = GD_BUTTON_UNPRESSED;
-#endif
gi->event.type = GD_EVENT_RELEASED;
if (gi->event_mask & GD_EVENT_RELEASED &&
static void insertCharIntoTextArea(struct GadgetInfo *gi, char c)
{
- char text[MAX_GADGET_TEXTSIZE];
+ char text[MAX_GADGET_TEXTSIZE + 1];
int cursor_position = gi->textarea.cursor_position;
- if (strlen(gi->textarea.value) == MAX_GADGET_TEXTSIZE) /* no space left */
+ if (strlen(gi->textarea.value) >= MAX_GADGET_TEXTSIZE) /* no space left */
return;
strcpy(text, gi->textarea.value);
if (key == KSYM_Return) /* valid for both text input and selectbox */
{
- boolean gadget_changed = (gi->event_mask & GD_EVENT_TEXT_RETURN);
+ boolean gadget_changed = ((gi->event_mask & GD_EVENT_TEXT_RETURN) != 0);
if (gi->type & GD_TYPE_TEXT_INPUT)
{
}
else if (gi->type & GD_TYPE_TEXT_INPUT) /* only valid for text input */
{
- char text[MAX_GADGET_TEXTSIZE];
+ char text[MAX_GADGET_TEXTSIZE + 1];
int text_length = strlen(gi->textinput.value);
int cursor_pos = gi->textinput.cursor_position;
char letter = getCharFromKey(key);
}
else if (gi->type & GD_TYPE_TEXT_AREA) /* only valid for text area */
{
- char text[MAX_GADGET_TEXTSIZE];
+ char text[MAX_GADGET_TEXTSIZE + 1];
int text_length = strlen(gi->textarea.value);
int area_ysize = gi->textarea.ysize;
int cursor_x_pref = gi->textarea.cursor_x_preferred;
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