-/***********************************************************
-* 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)
+
+#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;
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;
return id;
}
-#if 0
-void DUMP_GADGET_MAP_STATE()
+static struct GadgetInfo *getGadgetInfoFromMousePosition(int mx, int my,
+ int button)
{
- struct GadgetInfo *gi = gadget_list_first_entry;
+ struct GadgetInfo *gi;
- while (gi != NULL)
+ /* first check for scrollbars in case of mouse scroll wheel button events */
+ if (IS_WHEEL_BUTTON(button))
{
- printf("-XXX-1-> '%s': %s\n",
- gi->info_text, (gi->mapped ? "mapped" : "not mapped"));
+ /* real horizontal wheel or vertical wheel with modifier key pressed */
+ boolean check_horizontal = (IS_WHEEL_BUTTON_HORIZONTAL(button) ||
+ GetKeyModState() & KMOD_Shift);
- gi = gi->next;
- }
-}
-#endif
+ /* 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_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;
+ }
-static struct GadgetInfo *getGadgetInfoFromMousePosition(int mx, int my)
-{
- struct GadgetInfo *gi;
+ /* no active scrollbar found -- ignore this scroll wheel button event */
+ return NULL;
+ }
/* open selectboxes may overlap other active gadgets, so check them first */
for (gi = gadget_list_first_entry; gi != NULL; gi = gi->next)
static void DrawGadget(struct GadgetInfo *gi, boolean pressed, boolean direct)
{
+ struct GadgetDesign *gd;
int state = (pressed ? GD_BUTTON_PRESSED : GD_BUTTON_UNPRESSED);
- struct GadgetDesign *gd = (!gi->active ? &gi->alt_design[state] :
- gi->checked ? &gi->alt_design[state] :
- &gi->design[state]);
boolean redraw_selectbox = FALSE;
+ if (gi == NULL)
+ return;
+
+ gd = (!gi->active ? &gi->alt_design[state] :
+ gi->checked ? &gi->alt_design[state] : &gi->design[state]);
+
switch (gi->type)
{
case GD_TYPE_NORMAL_BUTTON:
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 : ' ');
{
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,
{
gi->selectbox.open = FALSE;
- /* redraw closed selectbox */
- DrawGadget(gi, FALSE, FALSE);
-
/* restore background under selectbox */
BlitBitmap(gfx.field_save_buffer, drawto,
gi->selectbox.x, gi->selectbox.y,
gi->selectbox.width, gi->selectbox.height,
gi->selectbox.x, gi->selectbox.y);
+ /* redraw closed selectbox */
+ DrawGadget(gi, FALSE, FALSE);
+
redraw_selectbox = TRUE;
}
}
xpos, ypos);
/* middle part of gadget */
- for (i=0; i<num_steps; i++)
+ for (i=0; i < num_steps; i++)
BlitBitmapOnBackground(gd->bitmap, drawto,
gd->x, gd->y + gi->border.ysize,
gi->width, design_body,
xpos, ypos);
/* middle part of gadget */
- for (i=0; i<num_steps; i++)
+ for (i=0; i < num_steps; i++)
BlitBitmapOnBackground(gd->bitmap, drawto,
gd->x + gi->border.xsize, gd->y,
design_body, gi->height,
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 min_size = 1; /* value needs at least one digit */
+ int i;
+
+ /* add number of digits needed for absolute value */
+ for (i = 10; i <= ABS(minmax_value); i *= 10)
+ min_size++;
+
+ /* if min/max value is negative, add one digit for minus sign */
+ if (minmax_value < 0)
+ min_size++;
+
+ return min_size;
}
static void HandleGadgetTags(struct GadgetInfo *gi, int first_tag, va_list ap)
{
int tag = first_tag;
+ if (gi == NULL)
+ return;
+
while (tag != GDI_END)
{
switch(tag)
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_TYPE:
- gi->type = va_arg(ap, unsigned long);
+ gi->type = va_arg(ap, unsigned int);
break;
case GDI_STATE:
- gi->state = va_arg(ap, unsigned long);
+ gi->state = va_arg(ap, unsigned int);
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;
case GDI_RADIO_NR:
- gi->radio_nr = va_arg(ap, unsigned long);
+ gi->radio_nr = va_arg(ap, unsigned int);
break;
case GDI_NUMBER_VALUE:
- gi->textinput.number_value = va_arg(ap, long);
+ gi->textinput.number_value = va_arg(ap, int);
sprintf(gi->textinput.value, "%d", gi->textinput.number_value);
+ strcpy(gi->textinput.last_value, gi->textinput.value);
gi->textinput.cursor_position = strlen(gi->textinput.value);
break;
case GDI_NUMBER_MIN:
- gi->textinput.number_min = va_arg(ap, long);
+ gi->textinput.number_min = va_arg(ap, int);
if (gi->textinput.number_value < gi->textinput.number_min)
{
gi->textinput.number_value = gi->textinput.number_min;
sprintf(gi->textinput.value, "%d", gi->textinput.number_value);
+ strcpy(gi->textinput.last_value, gi->textinput.value);
}
break;
case GDI_NUMBER_MAX:
- gi->textinput.number_max = va_arg(ap, long);
+ gi->textinput.number_max = va_arg(ap, int);
if (gi->textinput.number_value > gi->textinput.number_max)
{
gi->textinput.number_value = gi->textinput.number_max;
sprintf(gi->textinput.value, "%d", gi->textinput.number_value);
+ strcpy(gi->textinput.last_value, gi->textinput.value);
}
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);
+
gi->textinput.value[max_textsize] = '\0';
gi->textinput.cursor_position = strlen(gi->textinput.value);
/* same tag also used for other gadget definitions */
strcpy(gi->textbutton.value, gi->textinput.value);
strcpy(gi->textarea.value, gi->textinput.value);
+ strcpy(gi->textarea.last_value, gi->textinput.value);
}
break;
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';
+ strcpy(gi->textinput.last_value, gi->textinput.value);
/* same tag also used for other gadget definitions */
- strcpy(gi->textbutton.value, gi->textinput.value);
- gi->textbutton.size = gi->textinput.size;
+
+ gi->textarea.size = max_textsize;
+ gi->textarea.value[max_textsize] = '\0';
+ strcpy(gi->textarea.last_value, gi->textinput.value);
+
+ gi->textbutton.size = max_textsize;
+ gi->textbutton.value[max_textsize] = '\0';
+
gi->selectbox.size = gi->textinput.size;
}
break;
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);
break;
case GDI_EVENT_MASK:
- gi->event_mask = va_arg(ap, unsigned long);
+ gi->event_mask = va_arg(ap, unsigned int);
break;
case GDI_AREA_SIZE:
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;
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;
int border_xsize = gi->border.xsize;
int border_ysize = gi->border.ysize;
+ if (gi->type == GD_TYPE_TEXT_INPUT_NUMERIC)
+ {
+ int number_min = gi->textinput.number_min;
+ int number_max = gi->textinput.number_max;
+ int min_size_min = get_minimal_size_for_numeric_input(number_min);
+ int min_size_max = get_minimal_size_for_numeric_input(number_max);
+ int min_size = MAX(min_size_min, min_size_max);
+
+ /* expand gadget text input size, if maximal value is too large */
+ if (gi->textinput.size < min_size)
+ gi->textinput.size = min_size;
+ }
+
gi->width = 2 * border_xsize + (gi->textinput.size + 1) * font_width;
gi->height = 2 * border_ysize + font_height;
}
getFontCharSource(font_nr, FONT_ASCII_CURSOR, &src_bitmap, &src_x, &src_y);
src_x += font_width / 2;
src_y += font_height / 2;
- gi->selectbox.inverse_color = GetPixel(src_bitmap, src_x, src_y);
+
+ /* there may be esoteric cases with missing or too small font bitmap */
+ if (src_bitmap != NULL &&
+ src_x < src_bitmap->width && src_y < src_bitmap->height)
+ gi->selectbox.inverse_color = GetPixel(src_bitmap, src_x, src_y);
/* always start with closed selectbox */
gi->selectbox.open = FALSE;
if (gi->type & GD_TYPE_SCROLLBAR)
{
struct GadgetScrollbar *gs = &gi->scrollbar;
+ int scrollbar_size_cmp;
if (gi->width == 0 || gi->height == 0 ||
gs->items_max == 0 || gs->items_visible == 0)
Error(ERR_EXIT, "scrollbar gadget incomplete (missing tags)");
/* calculate internal scrollbar values */
+ gs->size_min = (gi->type == GD_TYPE_SCROLLBAR_VERTICAL ?
+ gi->width : gi->height);
gs->size_max = (gi->type == GD_TYPE_SCROLLBAR_VERTICAL ?
gi->height : gi->width);
- gs->size = gs->size_max * gs->items_visible / gs->items_max;
- gs->position = gs->size_max * gs->item_position / gs->items_max;
+
+ scrollbar_size_cmp = gs->size_max * gs->items_visible / gs->items_max;
+ gs->size = MAX(scrollbar_size_cmp, gs->size_min);
+ gs->size_max_cmp = (gs->size_max - (gs->size - scrollbar_size_cmp));
+
+ gs->position = gs->size_max_cmp * gs->item_position / gs->items_max;
gs->position_max = gs->size_max - gs->size;
gs->correction = gs->size_max / gs->items_max / 2;
void RedrawGadget(struct GadgetInfo *gi)
{
+ if (gi == NULL)
+ return;
+
if (gi->mapped)
DrawGadget(gi, gi->state, gi->direct_draw);
}
{
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;
+
while (gi_previous != NULL && gi_previous->next != gi)
gi_previous = gi_previous->next;
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)
MultiMapGadgets(MULTIMAP_ALL | MULTIMAP_REMAP);
}
-static boolean anyTextInputGadgetActive()
+boolean anyTextInputGadgetActive()
{
return (last_gi && (last_gi->type & GD_TYPE_TEXT_INPUT) && last_gi->mapped);
}
-static boolean anyTextAreaGadgetActive()
+boolean anyTextAreaGadgetActive()
{
return (last_gi && (last_gi->type & GD_TYPE_TEXT_AREA) && last_gi->mapped);
}
-static boolean anySelectboxGadgetActive()
+boolean anySelectboxGadgetActive()
{
return (last_gi && (last_gi->type & GD_TYPE_SELECTBOX) && last_gi->mapped);
}
+boolean anyScrollbarGadgetActive()
+{
+ return (last_gi && (last_gi->type & GD_TYPE_SCROLLBAR) && last_gi->mapped);
+}
+
boolean anyTextGadgetActive()
{
return (anyTextInputGadgetActive() ||
anySelectboxGadgetActive());
}
+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);
+}
+
+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);
+}
+
void ClickOnGadget(struct GadgetInfo *gi, int button)
{
+ if (!gi->mapped)
+ return;
+
/* simulate releasing mouse button over last gadget, if still pressed */
if (button_status)
HandleGadgets(-1, -1, 0);
HandleGadgets(gi->x, gi->y, 0);
}
-void HandleGadgets(int mx, int my, int button)
+boolean HandleGadgets(int mx, int my, int button)
{
- static struct GadgetInfo *last_info_gi = NULL;
- 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;
+ static boolean keep_selectbox_open = FALSE;
+ static boolean gadget_stopped = FALSE;
int scrollbar_mouse_pos = 0;
struct GadgetInfo *new_gi, *gi;
boolean press_event;
boolean release_event;
boolean mouse_moving;
+ boolean mouse_inside_select_line;
+ boolean mouse_inside_select_area;
+ boolean mouse_released_where_pressed;
boolean gadget_pressed;
boolean gadget_pressed_repeated;
+ boolean gadget_pressed_off_borders;
+ boolean gadget_pressed_inside_select_line;
+ boolean gadget_pressed_delay_reached;
boolean gadget_moving;
boolean gadget_moving_inside;
boolean gadget_moving_off_borders;
+ boolean gadget_draggable;
+ 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;
/* check if there are any gadgets defined */
if (gadget_list_first_entry == NULL)
- return;
+ return FALSE;
/* simulated release of mouse button over last gadget */
if (mx == -1 && my == -1 && button == 0)
}
/* check which gadget is under the mouse pointer */
- new_gi = getGadgetInfoFromMousePosition(mx, my);
+ new_gi = getGadgetInfoFromMousePosition(mx, my, button);
/* check if button state has changed since last invocation */
- press_event = (button != 0 && last_button == 0);
+ press_event = (button != 0 && last_button == 0);
release_event = (button == 0 && last_button != 0);
last_button = button;
last_mx = mx;
last_my = my;
+ if (press_event && new_gi != last_gi)
+ {
+ pressed_mx = mx;
+ pressed_my = my;
+ }
+
+ mouse_released_where_pressed =
+ (release_event && mx == pressed_mx && my == pressed_my);
+
+ mouse_inside_select_line = insideSelectboxLine(new_gi, mx, my);
+ mouse_inside_select_area = insideSelectboxArea(new_gi, mx, my);
+
+ gadget_pressed_off_borders = (press_event && new_gi != last_gi);
+
+ gadget_pressed_inside_select_line =
+ (press_event && new_gi != NULL &&
+ new_gi->type & GD_TYPE_SELECTBOX && new_gi->selectbox.open &&
+ insideSelectboxLine(new_gi, mx, my));
+
/* if mouse button pressed outside text or selectbox gadget, deactivate it */
if (anyTextGadgetActive() &&
- button != 0 && !motion_status && new_gi != last_gi)
+ (gadget_pressed_off_borders ||
+ (gadget_pressed_inside_select_line && !mouse_inside_select_area)))
{
- CheckRangeOfNumericInputGadget(last_gi); /* in case of numeric gadget */
+ struct GadgetInfo *gi = last_gi;
+ boolean gadget_changed = ((gi->event_mask & GD_EVENT_TEXT_LEAVING) != 0);
- DrawGadget(last_gi, DG_UNPRESSED, last_gi->direct_draw);
+ /* check if text gadget has changed its value */
+ if (gi->type & GD_TYPE_TEXT_INPUT)
+ {
+ CheckRangeOfNumericInputGadget(gi);
- last_gi->event.type = GD_EVENT_TEXT_LEAVING;
+ if (!strEqual(gi->textinput.last_value, gi->textinput.value))
+ strcpy(gi->textinput.last_value, gi->textinput.value);
+ else
+ gadget_changed = FALSE;
+ }
- if (last_gi->event_mask & GD_EVENT_TEXT_LEAVING)
- last_gi->callback_action(last_gi);
+ /* selectbox does not change its value when closed by clicking outside */
+ if (gi->type & GD_TYPE_SELECTBOX)
+ gadget_changed = FALSE;
+
+ DrawGadget(gi, DG_UNPRESSED, gi->direct_draw);
+
+ gi->event.type = GD_EVENT_TEXT_LEAVING;
+
+ if (gadget_changed && !(gi->type & GD_TYPE_SELECTBOX))
+ gi->callback_action(gi);
last_gi = NULL;
+
+ if (gadget_pressed_inside_select_line)
+ new_gi = NULL;
}
gadget_pressed =
gadget_pressed_repeated =
(button != 0 && last_gi != NULL && new_gi == last_gi);
+ gadget_pressed_delay_reached =
+ DelayReached(&pressed_delay, pressed_delay_value);
+
gadget_released = (release_event && last_gi != NULL);
gadget_released_inside = (gadget_released && new_gi == last_gi);
gadget_released_off_borders = (gadget_released && new_gi != last_gi);
/* when handling selectbox, set additional state values */
if (gadget_released_inside && (last_gi->type & GD_TYPE_SELECTBOX))
- {
- struct GadgetInfo *gi = last_gi;
-
- gadget_released_inside_select_line =
- (mx >= gi->x && mx < gi->x + gi->width &&
- my >= gi->y && my < gi->y + gi->height);
- gadget_released_inside_select_area =
- (mx >= gi->selectbox.x && mx < gi->selectbox.x + gi->selectbox.width &&
- my >= gi->selectbox.y && my < gi->selectbox.y + gi->selectbox.height);
- }
+ 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))
+ keep_selectbox_open = FALSE;
/* if new gadget pressed, store this gadget */
if (gadget_pressed)
/* if mouse button released, no gadget needs to be handled anymore */
if (gadget_released)
{
- if (last_gi->type & GD_TYPE_SELECTBOX &&
- (gadget_released_inside_select_line ||
- gadget_released_off_borders)) /* selectbox stays open */
+ if (gi->type & GD_TYPE_SELECTBOX &&
+ (keep_selectbox_open ||
+ mouse_released_where_pressed ||
+ !gadget_released_inside_select_area ||
+ !CURRENT_OPTION_SELECTABLE(gi))) /* selectbox stays open */
+ {
gi->selectbox.stay_open = TRUE;
- else if (!(last_gi->type & GD_TYPE_TEXT_INPUT ||
- last_gi->type & GD_TYPE_TEXT_AREA)) /* text input stays open */
+ pressed_mx = 0;
+ pressed_my = 0;
+ }
+ else if (!(gi->type & GD_TYPE_TEXT_INPUT ||
+ gi->type & GD_TYPE_TEXT_AREA)) /* text input stays open */
last_gi = NULL;
}
if (button == 0 && !release_event)
gi = new_gi;
+ /* if new gadget or if no gadget was pressed, release stopped processing */
+ if (gadget_pressed || new_gi == NULL)
+ gadget_stopped = FALSE;
+
+ /* if gadget was stopped while being handled, stop gadget processing here */
+ if (gadget_stopped)
+ return TRUE;
+
if (gi != NULL)
{
int last_x = gi->event.x;
if (gi->textarea.cursor_position != old_cursor_position)
DrawGadget(gi, DG_PRESSED, gi->direct_draw);
}
- else if (gi->type & GD_TYPE_SELECTBOX)
+ else if (gi->type & GD_TYPE_SELECTBOX && gi->selectbox.open &&
+ !keep_selectbox_open)
{
int old_index = gi->selectbox.current_index;
last_info_gi = new_gi;
}
- if (gadget_pressed)
- {
- if (gi->type == GD_TYPE_CHECK_BUTTON)
- {
- gi->checked = !gi->checked;
- }
- else if (gi->type == GD_TYPE_RADIO_BUTTON)
- {
- struct GadgetInfo *rgi = gadget_list_first_entry;
+ gadget_draggable = (gi && gi->type & GD_TYPE_SCROLLBAR);
- while (rgi)
- {
- if (rgi->mapped &&
- rgi->type == GD_TYPE_RADIO_BUTTON &&
- rgi->radio_nr == gi->radio_nr &&
- rgi != gi)
- {
- rgi->checked = FALSE;
- DrawGadget(rgi, DG_UNPRESSED, rgi->direct_draw);
- }
+ /* reset drag position for newly pressed scrollbar to "not dragging" */
+ if (gadget_pressed && gadget_draggable)
+ gi->scrollbar.drag_position = -1;
- rgi = rgi->next;
- }
+ gadget_dragging = (gadget_draggable && gi->scrollbar.drag_position != -1);
- gi->checked = TRUE;
+ /* clicking next to a scrollbar to move it is not considered "moving" */
+ if (gadget_draggable && !gadget_dragging)
+ gadget_moving = FALSE;
+
+ /* when leaving scrollbar area when jump-scrolling, stop gadget processing */
+ if (gadget_draggable && !gadget_dragging && gadget_moving_off_borders)
+ gadget_stopped = TRUE;
+
+ 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 if (gi->type & GD_TYPE_SCROLLBAR)
+ else /* gadget hold pressed for some time */
{
- int mpos, gpos;
+ /* after first repeated gadget click, continue with shorter delay value */
+ pressed_delay_value = GADGET_FRAME_DELAY;
+ }
- if (gi->type == GD_TYPE_SCROLLBAR_HORIZONTAL)
- {
- mpos = mx;
- gpos = gi->x;
- }
- else
- {
- mpos = my;
- gpos = gi->y;
- }
+ 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 (mpos >= gpos + gi->scrollbar.position &&
- mpos < gpos + gi->scrollbar.position + gi->scrollbar.size)
- {
- /* drag scrollbar */
- gi->scrollbar.drag_position =
- scrollbar_mouse_pos - gi->scrollbar.position;
- }
- else
+ if (IS_WHEEL_BUTTON(button) || !inside_slider)
{
/* click scrollbar one scrollbar length up/left or down/right */
struct GadgetScrollbar *gs = &gi->scrollbar;
int old_item_position = gs->item_position;
+ int item_steps = gs->items_visible - 1;
+ int item_direction = (mpos < gpos + gi->scrollbar.position ? -1 : +1);
+
+ if (IS_WHEEL_BUTTON(button))
+ {
+ 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;
- gs->item_position +=
- gs->items_visible * (mpos < gpos + gi->scrollbar.position ? -1 : +1);
+ gs->item_position += item_steps * item_direction;
if (gs->item_position < 0)
gs->item_position = 0;
- if (gs->item_position > gs->items_max - gs->items_visible)
+ else if (gs->item_position > gs->items_max - gs->items_visible)
gs->item_position = gs->items_max - gs->items_visible;
if (old_item_position != gs->item_position)
if (gi->event_mask & GD_EVENT_MOVING && changed_position)
gi->callback_action(gi);
- /* don't handle this scrollbar anymore while mouse button pressed */
- last_gi = NULL;
+ return TRUE;
+ }
+ else
+ {
+ /* don't handle this scrollbar anymore when mouse position reached */
+ if (gadget_pressed_repeated)
+ {
+ gadget_stopped = TRUE;
- return;
+ return TRUE;
+ }
}
}
+ }
+
+ if (gadget_pressed)
+ {
+ PlayGadgetSoundActivating();
+
+ if (gi->type == GD_TYPE_CHECK_BUTTON)
+ {
+ gi->checked = !gi->checked;
+ }
+ else if (gi->type == GD_TYPE_RADIO_BUTTON)
+ {
+ struct GadgetInfo *rgi = gadget_list_first_entry;
+
+ while (rgi)
+ {
+ if (rgi->mapped &&
+ rgi->type == GD_TYPE_RADIO_BUTTON &&
+ rgi->radio_nr == gi->radio_nr &&
+ rgi != gi)
+ {
+ rgi->checked = FALSE;
+ DrawGadget(rgi, DG_UNPRESSED, rgi->direct_draw);
+ }
+
+ rgi = rgi->next;
+ }
+
+ gi->checked = TRUE;
+ }
+ else if (gi->type & GD_TYPE_SCROLLBAR)
+ {
+ 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 (!IS_WHEEL_BUTTON(button) && inside_slider)
+ {
+ /* start dragging scrollbar */
+ gi->scrollbar.drag_position =
+ scrollbar_mouse_pos - gi->scrollbar.position;
+ }
+ }
+ else if (gi->type & GD_TYPE_SELECTBOX)
+ {
+ /* keep selectbox open in case of over-large selectbox */
+ keep_selectbox_open = (mouse_inside_select_line &&
+ mouse_inside_select_area);
+ }
DrawGadget(gi, DG_PRESSED, gi->direct_draw);
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 (gi->event_mask & GD_EVENT_REPEATED &&
- DelayReached(&pressed_delay, GADGET_FRAME_DELAY))
+ if (gi->event_mask & GD_EVENT_REPEATED && gadget_pressed_delay_reached)
gi->callback_action(gi);
}
else if (gadget_moving_off_borders && gi->state == GD_BUTTON_PRESSED)
DrawGadget(gi, DG_UNPRESSED, gi->direct_draw);
}
- else if (gi->type & GD_TYPE_SELECTBOX)
+ else if (gi->type & GD_TYPE_SELECTBOX && !keep_selectbox_open)
{
int old_index = gi->selectbox.current_index;
gs->position = scrollbar_mouse_pos - gs->drag_position;
- if (gs->position < 0)
+ /* make sure to always precisely reach end positions when dragging */
+ if (gs->position <= 0)
+ {
gs->position = 0;
- if (gs->position > gs->position_max)
+ gs->item_position = 0;
+ }
+ else if (gs->position >= gs->position_max)
+ {
gs->position = gs->position_max;
-
- gs->item_position =
- gs->items_max * (gs->position + gs->correction) / gs->size_max;
+ gs->item_position = gs->items_max - gs->items_visible;
+ }
+ else
+ {
+ gs->item_position =
+ gs->items_max * (gs->position + gs->correction) / gs->size_max_cmp;
+ }
if (gs->item_position < 0)
gs->item_position = 0;
DrawGadget(gi, DG_PRESSED, gi->direct_draw);
}
- gi->state = (gadget_moving_inside || gi->type & GD_TYPE_SCROLLBAR ?
+ gi->state = (gadget_moving_inside || gadget_draggable ?
GD_BUTTON_PRESSED : GD_BUTTON_UNPRESSED);
gi->event.type = GD_EVENT_MOVING;
gi->event.off_borders = gadget_moving_off_borders;
if (gadget_released_inside)
{
boolean deactivate_gadget = TRUE;
+ boolean gadget_changed = TRUE;
if (gi->type & GD_TYPE_SELECTBOX)
{
- if (gadget_released_inside_select_line ||
- gadget_released_off_borders) /* selectbox stays open */
+ if (keep_selectbox_open ||
+ mouse_released_where_pressed ||
+ !gadget_released_inside_select_area ||
+ !CURRENT_OPTION_SELECTABLE(gi)) /* selectbox stays open */
+ {
deactivate_gadget = FALSE;
- else
+ gadget_changed = FALSE;
+ }
+ else if (gi->selectbox.index != gi->selectbox.current_index)
gi->selectbox.index = gi->selectbox.current_index;
+ else
+ gadget_changed = FALSE;
}
if (deactivate_gadget &&
gi->state = GD_BUTTON_UNPRESSED;
gi->event.type = GD_EVENT_RELEASED;
- if ((gi->event_mask & GD_EVENT_RELEASED) && deactivate_gadget)
+ if ((gi->event_mask & GD_EVENT_RELEASED) && gadget_changed)
+ {
gi->callback_action(gi);
+ }
}
if (gadget_released_off_borders)
if (gi->type & GD_TYPE_SCROLLBAR)
DrawGadget(gi, DG_UNPRESSED, gi->direct_draw);
+ gi->state = GD_BUTTON_UNPRESSED;
gi->event.type = GD_EVENT_RELEASED;
if (gi->event_mask & GD_EVENT_RELEASED &&
/* handle gadgets unmapped/mapped between pressing and releasing */
if (release_event && !gadget_released && new_gi)
new_gi->state = GD_BUTTON_UNPRESSED;
+
+ return (gadget_pressed || gadget_pressed_repeated ||
+ gadget_released || gadget_moving);
}
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);
setTextAreaCursorPosition(gi, gi->textarea.cursor_position + 1);
}
-void HandleGadgetsKeyInput(Key key)
+boolean HandleGadgetsKeyInput(Key key)
{
struct GadgetInfo *gi = last_gi;
!(gi->type & GD_TYPE_TEXT_INPUT ||
gi->type & GD_TYPE_TEXT_AREA ||
gi->type & GD_TYPE_SELECTBOX))
- return;
+ return FALSE;
if (key == KSYM_Return) /* valid for both text input and selectbox */
{
+ boolean gadget_changed = ((gi->event_mask & GD_EVENT_TEXT_RETURN) != 0);
+
if (gi->type & GD_TYPE_TEXT_INPUT)
+ {
CheckRangeOfNumericInputGadget(gi);
+
+ if (!strEqual(gi->textinput.last_value, gi->textinput.value))
+ strcpy(gi->textinput.last_value, gi->textinput.value);
+ else
+ gadget_changed = FALSE;
+ }
else if (gi->type & GD_TYPE_SELECTBOX)
- gi->selectbox.index = gi->selectbox.current_index;
+ {
+ if (gi->selectbox.index != gi->selectbox.current_index)
+ gi->selectbox.index = gi->selectbox.current_index;
+ else
+ gadget_changed = FALSE;
+ }
if (gi->type & GD_TYPE_TEXT_AREA)
{
last_gi = NULL;
}
- if (gi->event_mask & GD_EVENT_TEXT_RETURN)
+ if (gadget_changed)
gi->callback_action(gi);
}
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;
DrawGadget(gi, DG_PRESSED, gi->direct_draw);
}
}
+
+ return TRUE;
}