-/***********************************************************
-* Artsoft Retro-Game Library *
-*----------------------------------------------------------*
-* (c) 1994-2006 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 OPTION_TEXT_SELECTABLE(g, t) \
+ (t[0] != g->selectbox.char_unselectable && \
+ t[0] != '\0' && \
+ !strEqual(t, " "))
+#define CURRENT_OPTION_SELECTABLE(g) \
+ OPTION_TEXT_SELECTABLE(g, g->selectbox.options[g->selectbox.current_index].text)
+
+
static struct GadgetInfo *gadget_list_first_entry = NULL;
static struct GadgetInfo *gadget_list_last_entry = NULL;
static struct GadgetInfo *last_info_gi = NULL;
boolean check_horizontal = (IS_WHEEL_BUTTON_HORIZONTAL(button) ||
GetKeyModState() & KMOD_Shift);
+ /* check for the first active scrollbar directly under the mouse pointer */
+ for (gi = gadget_list_first_entry; gi != NULL; gi = gi->next)
+ {
+ if (gi->mapped && gi->active &&
+ (gi->type & GD_TYPE_SCROLLBAR) &&
+ mx >= gi->x && mx < gi->x + gi->width &&
+ my >= gi->y && my < gi->y + gi->height)
+ return gi;
+ }
+
/* check for the first active scrollbar with matching mouse wheel area */
for (gi = gadget_list_first_entry; gi != NULL; gi = gi->next)
{
int state = (pressed ? GD_BUTTON_PRESSED : GD_BUTTON_UNPRESSED);
boolean redraw_selectbox = FALSE;
- if (gi == NULL)
+ if (gi == NULL || gi->deactivated)
return;
gd = (!gi->active ? &gi->alt_design[state] :
case GD_TYPE_NORMAL_BUTTON:
case GD_TYPE_CHECK_BUTTON:
case GD_TYPE_RADIO_BUTTON:
+
BlitBitmapOnBackground(gd->bitmap, drawto,
gd->x, gd->y, gi->width, gi->height,
gi->x, gi->y);
+
if (gi->deco.design.bitmap)
- BlitBitmap(gi->deco.design.bitmap, drawto,
- gi->deco.design.x, gi->deco.design.y,
- gi->deco.width, gi->deco.height,
- gi->x + gi->deco.x + (pressed ? gi->deco.xshift : 0),
- gi->y + gi->deco.y + (pressed ? gi->deco.yshift : 0));
+ {
+ // make sure that decoration does not overlap gadget border
+ int deco_x = gi->deco.x + (pressed ? gi->deco.xshift : 0);
+ int deco_y = gi->deco.y + (pressed ? gi->deco.yshift : 0);
+ int deco_width = MIN(gi->deco.width, gi->width - deco_x);
+ int deco_height = MIN(gi->deco.height, gi->height - deco_y);
+
+ if (gi->deco.masked)
+ BlitBitmapMasked(gi->deco.design.bitmap, drawto,
+ gi->deco.design.x, gi->deco.design.y,
+ deco_width, deco_height,
+ gi->x + deco_x, gi->y + deco_y);
+ else
+ BlitBitmap(gi->deco.design.bitmap, drawto,
+ gi->deco.design.x, gi->deco.design.y,
+ deco_width, deco_height,
+ gi->x + deco_x, gi->y + deco_y);
+ }
+
break;
case GD_TYPE_TEXT_BUTTON:
gi->height - 2 * border_y);
/* gadget text value */
-#if 1
DrawTextBuffer(gi->x + border_x, gi->y + border_y, gi->textarea.value,
- font_nr, gi->textarea.xsize, -1, gi->textarea.ysize,
+ font_nr, gi->textarea.xsize, -1, gi->textarea.ysize, 0,
BLIT_ON_BACKGROUND, FALSE, FALSE, FALSE);
-#else
- 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);
-#endif
cursor_letter = gi->textarea.value[gi->textarea.cursor_position];
cursor_string[0] = (cursor_letter != '\0' ? cursor_letter : ' ');
{
int i;
char text[MAX_GADGET_TEXTSIZE + 1];
- int font_nr = (pressed ? gi->font_active : gi->font);
+ int font_nr_default = (pressed ? gi->font_active : gi->font);
+ int font_nr = font_nr_default;
int font_width = getFontWidth(font_nr);
int font_height = getFontHeight(font_nr);
int border_x = gi->border.xsize;
gi->selectbox.size);
text[gi->selectbox.size] = '\0';
+ /* set font value */
+ font_nr = (OPTION_TEXT_SELECTABLE(gi, text) ? font_nr_default :
+ gi->font_unselectable);
+
/* gadget text value */
DrawTextExt(drawto, gi->x + border_x, gi->y + border_y, text,
font_nr, BLIT_MASKED);
strncpy(text, gi->selectbox.options[i].text, gi->selectbox.size);
text[gi->selectbox.size] = '\0';
- if (i == gi->selectbox.current_index)
+ font_nr = (OPTION_TEXT_SELECTABLE(gi, text) ? font_nr_default :
+ gi->font_unselectable);
+
+ if (i == gi->selectbox.current_index &&
+ OPTION_TEXT_SELECTABLE(gi, text))
{
FillRectangle(drawto,
gi->selectbox.x + border_x,
return;
}
+ // do not use direct gadget drawing anymore; this worked as a speed-up once,
+ // but would slow things down a lot now the screen is always fully redrawn
+ direct = FALSE;
+
if (direct)
{
BlitBitmap(drawto, window,
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)
{
int tag = first_tag;
- if (gi == NULL)
+ if (gi == NULL || gi->deactivated)
return;
while (tag != GDI_END)
gi->font = va_arg(ap, int);
if (gi->font_active == 0)
gi->font_active = gi->font;
+ if (gi->font_unselectable == 0)
+ gi->font_unselectable = gi->font;
break;
case GDI_TEXT_FONT_ACTIVE:
gi->font_active = va_arg(ap, int);
break;
+ case GDI_TEXT_FONT_UNSELECTABLE:
+ gi->font_unselectable = va_arg(ap, int);
+ break;
+
case GDI_SELECTBOX_OPTIONS:
gi->selectbox.options = va_arg(ap, struct ValueTextInfo *);
break;
gi->selectbox.index = va_arg(ap, int);
break;
+ case GDI_SELECTBOX_CHAR_UNSELECTABLE:
+ gi->selectbox.char_unselectable = (char)va_arg(ap, int);
+ break;
+
case GDI_DESIGN_UNPRESSED:
gi->design[GD_BUTTON_UNPRESSED].bitmap = va_arg(ap, Bitmap *);
gi->design[GD_BUTTON_UNPRESSED].x = va_arg(ap, int);
gi->deco.yshift = va_arg(ap, int);
break;
+ case GDI_DECORATION_MASKED:
+ gi->deco.masked = (boolean)va_arg(ap, int);
+ break;
+
case GDI_EVENT_MASK:
gi->event_mask = va_arg(ap, unsigned int);
break;
gi->drawing.area_ysize = va_arg(ap, int);
/* determine dependent values for drawing area gadget, if needed */
- if (gi->width == 0 && gi->height == 0 &&
- gi->drawing.item_xsize !=0 && gi->drawing.item_ysize !=0)
+ if (gi->drawing.item_xsize != 0 && gi->drawing.item_ysize != 0)
{
gi->width = gi->drawing.area_xsize * gi->drawing.item_xsize;
gi->height = gi->drawing.area_ysize * gi->drawing.item_ysize;
}
- else if (gi->drawing.item_xsize == 0 && gi->drawing.item_ysize == 0 &&
- gi->width != 0 && gi->height != 0)
+ else if (gi->width != 0 && gi->height != 0)
{
gi->drawing.item_xsize = gi->width / gi->drawing.area_xsize;
gi->drawing.item_ysize = gi->height / gi->drawing.area_ysize;
gi->drawing.item_ysize = va_arg(ap, int);
/* determine dependent values for drawing area gadget, if needed */
- if (gi->width == 0 && gi->height == 0 &&
- gi->drawing.area_xsize !=0 && gi->drawing.area_ysize !=0)
+ if (gi->drawing.area_xsize != 0 && gi->drawing.area_ysize != 0)
{
gi->width = gi->drawing.area_xsize * gi->drawing.item_xsize;
gi->height = gi->drawing.area_ysize * gi->drawing.item_ysize;
}
- else if (gi->drawing.area_xsize == 0 && gi->drawing.area_ysize == 0 &&
- gi->width != 0 && gi->height != 0)
+ else if (gi->width != 0 && gi->height != 0)
{
gi->drawing.area_xsize = gi->width / gi->drawing.item_xsize;
gi->drawing.area_ysize = gi->height / gi->drawing.item_ysize;
tag = va_arg(ap, int); /* read next tag */
}
- /* check if gadget is complete */
+ gi->deactivated = FALSE;
+
+ /* check if gadget has undefined bitmaps */
if (gi->type != GD_TYPE_DRAWING_AREA &&
- (!gi->design[GD_BUTTON_UNPRESSED].bitmap ||
- !gi->design[GD_BUTTON_PRESSED].bitmap))
- Error(ERR_EXIT, "gadget incomplete (missing Bitmap)");
+ (gi->design[GD_BUTTON_UNPRESSED].bitmap == NULL ||
+ gi->design[GD_BUTTON_PRESSED].bitmap == NULL))
+ gi->deactivated = TRUE;
+
+ /* check if gadget is placed off-screen */
+ if (gi->x < 0 || gi->y < 0)
+ gi->deactivated = TRUE;
/* adjust gadget values in relation to other gadget values */
void RedrawGadget(struct GadgetInfo *gi)
{
- if (gi == NULL)
+ if (gi == NULL || gi->deactivated)
return;
if (gi->mapped)
{
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->deactivated || gi->mapped)
return;
gi->mapped = TRUE;
void UnmapGadget(struct GadgetInfo *gi)
{
- if (gi == NULL || !gi->mapped)
+ if (gi == NULL || gi->deactivated || !gi->mapped)
return;
gi->mapped = FALSE;
#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 long pressed_delay_value = GADGET_FRAME_DELAY;
+ 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;
if (gadget_pressed_inside_select_line)
new_gi = NULL;
+
+ StopTextInput();
}
gadget_pressed =
/* 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))
if (gi->type & GD_TYPE_SELECTBOX &&
(keep_selectbox_open ||
mouse_released_where_pressed ||
- !gadget_released_inside_select_area)) /* selectbox stays open */
+ !gadget_released_inside_select_area ||
+ !CURRENT_OPTION_SELECTABLE(gi))) /* selectbox stays open */
{
gi->selectbox.stay_open = TRUE;
pressed_mx = 0;
if (gi->textinput.cursor_position != old_cursor_position)
DrawGadget(gi, DG_PRESSED, gi->direct_draw);
+
+ if (press_event)
+ StartTextInput(gi->x, gi->y, gi->width, gi->height);
}
else if (gi->type & GD_TYPE_TEXT_AREA && button != 0 && !motion_status)
{
if (gi->textarea.cursor_position != old_cursor_position)
DrawGadget(gi, DG_PRESSED, gi->direct_draw);
+
+ if (press_event)
+ StartTextInput(gi->x, gi->y, gi->width, gi->height);
}
else if (gi->type & GD_TYPE_SELECTBOX && gi->selectbox.open &&
!keep_selectbox_open)
new_gi->event.type = GD_EVENT_INFO_ENTERING;
new_gi->callback_info(new_gi);
}
- else if (last_info_gi != NULL)
+ else if (last_info_gi != NULL && last_info_gi->mapped)
{
last_info_gi->event.type = GD_EVENT_INFO_LEAVING;
last_info_gi->callback_info(last_info_gi);
{
boolean scroll_single_step = ((GetKeyModState() & KMOD_Alt) != 0);
- item_steps = (scroll_single_step ? 1 : DEFAULT_WHEEL_STEPS);
+ item_steps = (scroll_single_step ? 1 : wheel_steps);
item_direction = (button == MB_WHEEL_UP ||
button == MB_WHEEL_LEFT ? -1 : +1);
}
{
if (keep_selectbox_open ||
mouse_released_where_pressed ||
- !gadget_released_inside_select_area) /* selectbox stays open */
+ !gadget_released_inside_select_area ||
+ !CURRENT_OPTION_SELECTABLE(gi)) /* selectbox stays open */
{
deactivate_gadget = FALSE;
gadget_changed = FALSE;
{
struct GadgetInfo *gi = last_gi;
- if (gi == NULL || !gi->mapped ||
+ if (gi == NULL || gi->deactivated || !gi->mapped ||
!(gi->type & GD_TYPE_TEXT_INPUT ||
gi->type & GD_TYPE_TEXT_AREA ||
gi->type & GD_TYPE_SELECTBOX))
return FALSE;
- if (key == KSYM_Return) /* valid for both text input and selectbox */
+ if (key == KSYM_Escape)
+ {
+ StopTextInput();
+ }
+ else if (key == KSYM_Return) /* valid for both text input and selectbox */
{
boolean gadget_changed = ((gi->event_mask & GD_EVENT_TEXT_RETURN) != 0);
strcpy(gi->textinput.last_value, gi->textinput.value);
else
gadget_changed = FALSE;
+
+ StopTextInput();
}
else if (gi->type & GD_TYPE_SELECTBOX)
{