/* some positions in the game control window */
#define GAME_BUTTON_STOP_XPOS (GAME_CONTROL_XPOS + 0 * GAME_BUTTON_XSIZE)
+#define GAME_BUTTON_STOP_YPOS (GAME_CONTROL_YPOS)
#define GAME_BUTTON_PAUSE_XPOS (GAME_CONTROL_XPOS + 1 * GAME_BUTTON_XSIZE)
+#define GAME_BUTTON_PAUSE_YPOS (GAME_CONTROL_YPOS)
#define GAME_BUTTON_PLAY_XPOS (GAME_CONTROL_XPOS + 2 * GAME_BUTTON_XSIZE)
+#define GAME_BUTTON_PLAY_YPOS (GAME_CONTROL_YPOS)
#define GAME_BUTTON_ANY_YPOS (GAME_CONTROL_YPOS)
#define ON_GAME_BUTTON(x,y) ((x)>=(DX+GAME_CONTROL_XPOS) && \
/********** drawing buttons and corresponding displays **********/
/****************************************************************/
+void OLD_DrawVideoDisplay(unsigned long state, unsigned long value)
+{
+ int i;
+ int part_label = 0, part_symbol = 1;
+ int xpos = 0, ypos = 1, xsize = 2, ysize = 3;
+ static char *monatsname[12] =
+ {
+ "JAN", "FEB", "MAR", "APR", "MAY", "JUN",
+ "JUL", "AUG", "SEP", "OCT", "NOV", "DEC"
+ };
+ static int video_pos[5][2][4] =
+ {
+ {{ VIDEO_PLAY_LABEL_XPOS, VIDEO_PLAY_LABEL_YPOS,
+ VIDEO_PLAY_LABEL_XSIZE,VIDEO_PLAY_LABEL_YSIZE },
+ { VIDEO_PLAY_SYMBOL_XPOS, VIDEO_PLAY_SYMBOL_YPOS,
+ VIDEO_PLAY_SYMBOL_XSIZE,VIDEO_PLAY_SYMBOL_YSIZE }},
+
+ {{ VIDEO_REC_LABEL_XPOS, VIDEO_REC_LABEL_YPOS,
+ VIDEO_REC_LABEL_XSIZE,VIDEO_REC_LABEL_YSIZE },
+ { VIDEO_REC_SYMBOL_XPOS, VIDEO_REC_SYMBOL_YPOS,
+ VIDEO_REC_SYMBOL_XSIZE,VIDEO_REC_SYMBOL_YSIZE }},
+
+ {{ VIDEO_PAUSE_LABEL_XPOS, VIDEO_PAUSE_LABEL_YPOS,
+ VIDEO_PAUSE_LABEL_XSIZE,VIDEO_PAUSE_LABEL_YSIZE },
+ { VIDEO_PAUSE_SYMBOL_XPOS, VIDEO_PAUSE_SYMBOL_YPOS,
+ VIDEO_PAUSE_SYMBOL_XSIZE,VIDEO_PAUSE_SYMBOL_YSIZE }},
+
+ {{ VIDEO_DATE_LABEL_XPOS, VIDEO_DATE_LABEL_YPOS,
+ VIDEO_DATE_LABEL_XSIZE,VIDEO_DATE_LABEL_YSIZE },
+ { VIDEO_DATE_XPOS, VIDEO_DATE_YPOS,
+ VIDEO_DATE_XSIZE,VIDEO_DATE_YSIZE }},
+
+ {{ 0,0,
+ 0,0 },
+ { VIDEO_TIME_XPOS, VIDEO_TIME_YPOS,
+ VIDEO_TIME_XSIZE,VIDEO_TIME_YSIZE }}
+ };
+
+ if (state & VIDEO_STATE_PBEND_OFF)
+ {
+ int cx = DOOR_GFX_PAGEX3, cy = DOOR_GFX_PAGEY2;
+
+ XCopyArea(display,pix[PIX_DOOR],drawto,gc,
+ cx + VIDEO_REC_LABEL_XPOS,
+ cy + VIDEO_REC_LABEL_YPOS,
+ VIDEO_PBEND_LABEL_XSIZE,
+ VIDEO_PBEND_LABEL_YSIZE,
+ VX + VIDEO_REC_LABEL_XPOS,
+ VY + VIDEO_REC_LABEL_YPOS);
+ }
+
+ for(i=0;i<10;i++)
+ {
+ if (state & (1<<i))
+ {
+ int pos = i/2, cx, cy = DOOR_GFX_PAGEY2;
+
+ if (i%2) /* i ungerade => STATE_ON / PRESS_OFF */
+ cx = DOOR_GFX_PAGEX4;
+ else
+ cx = DOOR_GFX_PAGEX3; /* i gerade => STATE_OFF / PRESS_ON */
+
+ if (video_pos[pos][part_label][0] && value != VIDEO_DISPLAY_SYMBOL_ONLY)
+ XCopyArea(display,pix[PIX_DOOR],drawto,gc,
+ cx + video_pos[pos][part_label][xpos],
+ cy + video_pos[pos][part_label][ypos],
+ video_pos[pos][part_label][xsize],
+ video_pos[pos][part_label][ysize],
+ VX + video_pos[pos][part_label][xpos],
+ VY + video_pos[pos][part_label][ypos]);
+ if (video_pos[pos][part_symbol][0] && value != VIDEO_DISPLAY_LABEL_ONLY)
+ XCopyArea(display,pix[PIX_DOOR],drawto,gc,
+ cx + video_pos[pos][part_symbol][xpos],
+ cy + video_pos[pos][part_symbol][ypos],
+ video_pos[pos][part_symbol][xsize],
+ video_pos[pos][part_symbol][ysize],
+ VX + video_pos[pos][part_symbol][xpos],
+ VY + video_pos[pos][part_symbol][ypos]);
+ }
+ }
+
+ if (state & VIDEO_STATE_FFWD_ON)
+ {
+ int cx = DOOR_GFX_PAGEX4, cy = DOOR_GFX_PAGEY2;
+
+ XCopyArea(display,pix[PIX_DOOR],drawto,gc,
+ cx + VIDEO_PLAY_SYMBOL_XPOS,
+ cy + VIDEO_PLAY_SYMBOL_YPOS,
+ VIDEO_PLAY_SYMBOL_XSIZE - 2,
+ VIDEO_PLAY_SYMBOL_YSIZE,
+ VX + VIDEO_PLAY_SYMBOL_XPOS - 9,
+ VY + VIDEO_PLAY_SYMBOL_YPOS);
+ }
+
+ if (state & VIDEO_STATE_PBEND_ON)
+ {
+ int cx = DOOR_GFX_PAGEX6, cy = DOOR_GFX_PAGEY1;
+
+ XCopyArea(display,pix[PIX_DOOR],drawto,gc,
+ cx + VIDEO_PBEND_LABEL_XPOS,
+ cy + VIDEO_PBEND_LABEL_YPOS,
+ VIDEO_PBEND_LABEL_XSIZE,
+ VIDEO_PBEND_LABEL_YSIZE,
+ VX + VIDEO_REC_LABEL_XPOS,
+ VY + VIDEO_REC_LABEL_YPOS);
+ }
+
+ if (state & VIDEO_STATE_DATE_ON)
+ {
+ int tag = value % 100;
+ int monat = (value/100) % 100;
+ int jahr = (value/10000);
+
+ DrawText(VX+VIDEO_DATE_XPOS,VY+VIDEO_DATE_YPOS,
+ int2str(tag,2),FS_SMALL,FC_SPECIAL1);
+ DrawText(VX+VIDEO_DATE_XPOS+27,VY+VIDEO_DATE_YPOS,
+ monatsname[monat],FS_SMALL,FC_SPECIAL1);
+ DrawText(VX+VIDEO_DATE_XPOS+64,VY+VIDEO_DATE_YPOS,
+ int2str(jahr,2),FS_SMALL,FC_SPECIAL1);
+ }
+
+ if (state & VIDEO_STATE_TIME_ON)
+ {
+ int min = value / 60;
+ int sec = value % 60;
+
+ DrawText(VX+VIDEO_TIME_XPOS,VY+VIDEO_TIME_YPOS,
+ int2str(min,2),FS_SMALL,FC_SPECIAL1);
+ DrawText(VX+VIDEO_TIME_XPOS+27,VY+VIDEO_TIME_YPOS,
+ int2str(sec,2),FS_SMALL,FC_SPECIAL1);
+ }
+
+ if (state & VIDEO_STATE_DATE)
+ redraw_mask |= REDRAW_VIDEO_1;
+ if ((state & ~VIDEO_STATE_DATE) & VIDEO_STATE)
+ redraw_mask |= REDRAW_VIDEO_2;
+ if (state & VIDEO_PRESS)
+ redraw_mask |= REDRAW_VIDEO_3;
+}
+
void DrawVideoDisplay(unsigned long state, unsigned long value)
{
int i;
/* NEW GADGET STUFF -------------------------------------------------------- */
+/* values for DrawGadget() */
+#define DG_UNPRESSED 0
+#define DG_PRESSED 1
+#define DG_BUFFERED 0
+#define DG_DIRECT 1
+
static struct GadgetInfo *gadget_list_first_entry = NULL;
static struct GadgetInfo *gadget_list_last_entry = NULL;
static int next_free_gadget_id = 1;
if (gi->mapped &&
mx >= gi->x && mx < gi->x + gi->width &&
my >= gi->y && my < gi->y + gi->height)
- break;
+ break;
gi = gi->next;
}
return gi;
}
-static void default_callback_function(void *ptr)
+static void default_callback_info(void *ptr)
+{
+ if (game_status == LEVELED)
+ HandleEditorGadgetInfoText(ptr);
+}
+
+static void default_callback_action(void *ptr)
{
return;
}
-struct GadgetInfo *CreateGadget(int first_tag, ...)
+static void DrawGadget(struct GadgetInfo *gi, boolean pressed, boolean direct)
{
- struct GadgetInfo *new_gadget = checked_malloc(sizeof(struct GadgetInfo));
- int tag = first_tag;
- va_list ap;
+ int state = (pressed ? 1 : 0);
+ struct GadgetDesign *gd = (gi->checked ?
+ &gi->alt_design[state] :
+ &gi->design[state]);
- va_start(ap, first_tag);
+ switch (gi->type)
+ {
+ case GD_TYPE_NORMAL_BUTTON:
+ case GD_TYPE_CHECK_BUTTON:
+ case GD_TYPE_RADIO_BUTTON:
+ XCopyArea(display, gd->pixmap, drawto, gc,
+ gd->x, gd->y, gi->width, gi->height, gi->x, gi->y);
+ if (gi->deco.design.pixmap)
+ XCopyArea(display, gi->deco.design.pixmap, drawto, gc,
+ 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));
+ break;
- /* 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 */
+ case GD_TYPE_TEXTINPUT_ALPHANUMERIC:
+ case GD_TYPE_TEXTINPUT_NUMERIC:
+ {
+ int i;
+ char cursor_letter;
+ char cursor_string[3];
+ char text[MAX_GADGET_TEXTSIZE + 1];
+ int font_color = FC_YELLOW;
+ int border = gi->design_border;
+ strcpy(text, gi->text.value);
+ strcat(text, " ");
+
+ /* left part of gadget */
+ XCopyArea(display, gd->pixmap, drawto, gc,
+ gd->x, gd->y, border, gi->height, gi->x, gi->y);
+
+ /* middle part of gadget */
+ for (i=0; i<=gi->text.size; i++)
+ XCopyArea(display, gd->pixmap, drawto, gc,
+ gd->x + border, gd->y, FONT2_XSIZE, gi->height,
+ gi->x + border + i * FONT2_XSIZE, gi->y);
+
+ /* right part of gadget */
+ XCopyArea(display, gd->pixmap, drawto, gc,
+ gd->x + ED_WIN_COUNT_XSIZE - border, gd->y,
+ border, gi->height, gi->x + gi->width - border, gi->y);
+
+ /* gadget text value */
+ DrawText(gi->x + border, gi->y + border, text, FS_SMALL, font_color);
+
+ cursor_letter = gi->text.value[gi->text.cursor_position];
+ cursor_string[0] = '~';
+ cursor_string[1] = (cursor_letter != '\0' ? cursor_letter : ' ');
+ cursor_string[2] = '\0';
+
+ /* draw cursor, if active */
+ if (pressed)
+ DrawText(gi->x + border + gi->text.cursor_position * FONT2_XSIZE,
+ gi->y + border, cursor_string, FS_SMALL, font_color);
+ }
+ break;
+
+ case GD_TYPE_SCROLLBAR_VERTICAL:
+ {
+ int i;
+ int xpos = gi->x;
+ int ypos = gi->y + gi->scrollbar.position;
+ int design_full = gi->width;
+ int design_body = design_full - 2 * gi->design_border;
+ int size_full = gi->scrollbar.size;
+ int size_body = size_full - 2 * gi->design_border;
+ int num_steps = size_body / design_body;
+ int step_size_remain = size_body - num_steps * design_body;
+
+ /* clear scrollbar area */
+ XFillRectangle(display, backbuffer, gc,
+ gi->x, gi->y, gi->width, gi->height);
+
+ /* upper part of gadget */
+ XCopyArea(display, gd->pixmap, drawto, gc,
+ gd->x, gd->y,
+ gi->width, gi->design_border,
+ xpos, ypos);
+
+ /* middle part of gadget */
+ for (i=0; i<num_steps; i++)
+ XCopyArea(display, gd->pixmap, drawto, gc,
+ gd->x, gd->y + gi->design_border,
+ gi->width, design_body,
+ xpos, ypos + gi->design_border + i * design_body);
+
+ /* remaining middle part of gadget */
+ if (step_size_remain > 0)
+ XCopyArea(display, gd->pixmap, drawto, gc,
+ gd->x, gd->y + gi->design_border,
+ gi->width, step_size_remain,
+ xpos, ypos + gi->design_border + num_steps * design_body);
+
+ /* lower part of gadget */
+ XCopyArea(display, gd->pixmap, drawto, gc,
+ gd->x, gd->y + design_full - gi->design_border,
+ gi->width, gi->design_border,
+ xpos, ypos + size_full - gi->design_border);
+ }
+ break;
+
+ case GD_TYPE_SCROLLBAR_HORIZONTAL:
+ {
+ int i;
+ int xpos = gi->x + gi->scrollbar.position;
+ int ypos = gi->y;
+ int design_full = gi->height;
+ int design_body = design_full - 2 * gi->design_border;
+ int size_full = gi->scrollbar.size;
+ int size_body = size_full - 2 * gi->design_border;
+ int num_steps = size_body / design_body;
+ int step_size_remain = size_body - num_steps * design_body;
+
+ /* clear scrollbar area */
+ XFillRectangle(display, backbuffer, gc,
+ gi->x, gi->y, gi->width, gi->height);
+
+ /* left part of gadget */
+ XCopyArea(display, gd->pixmap, drawto, gc,
+ gd->x, gd->y,
+ gi->design_border, gi->height,
+ xpos, ypos);
+
+ /* middle part of gadget */
+ for (i=0; i<num_steps; i++)
+ XCopyArea(display, gd->pixmap, drawto, gc,
+ gd->x + gi->design_border, gd->y,
+ design_body, gi->height,
+ xpos + gi->design_border + i * design_body, ypos);
+
+ /* remaining middle part of gadget */
+ if (step_size_remain > 0)
+ XCopyArea(display, gd->pixmap, drawto, gc,
+ gd->x + gi->design_border, gd->y,
+ step_size_remain, gi->height,
+ xpos + gi->design_border + num_steps * design_body, ypos);
+
+ /* right part of gadget */
+ XCopyArea(display, gd->pixmap, drawto, gc,
+ gd->x + design_full - gi->design_border, gd->y,
+ gi->design_border, gi->height,
+ xpos + size_full - gi->design_border, ypos);
+ }
+ break;
+
+ default:
+ return;
+ }
+
+ if (direct)
+ XCopyArea(display, drawto, window, gc,
+ gi->x, gi->y, gi->width, gi->height, gi->x, gi->y);
+ else
+ redraw_mask |= (gi->x < SX + SXSIZE ? REDRAW_FIELD :
+ gi->y < DY + DYSIZE ? REDRAW_DOOR_1 :
+ gi->y > VY ? REDRAW_DOOR_2 : REDRAW_DOOR_3);
+}
+
+static void HandleGadgetTags(struct GadgetInfo *gi, int first_tag, va_list ap)
+{
+ int tag = first_tag;
while (tag != GDI_END)
{
switch(tag)
{
case GDI_CUSTOM_ID:
- new_gadget->custom_id = va_arg(ap, int);
+ gi->custom_id = va_arg(ap, int);
+ break;
+
+ case GDI_INFO_TEXT:
+ {
+ int max_textsize = MAX_INFO_TEXTSIZE - 1;
+
+ strncpy(gi->info_text, va_arg(ap, char *), max_textsize);
+ gi->info_text[max_textsize] = '\0';
+ }
break;
case GDI_X:
- new_gadget->x = va_arg(ap, int);
+ gi->x = va_arg(ap, int);
break;
case GDI_Y:
- new_gadget->y = va_arg(ap, int);
+ gi->y = va_arg(ap, int);
break;
case GDI_WIDTH:
- new_gadget->width = va_arg(ap, int);
+ gi->width = va_arg(ap, int);
break;
case GDI_HEIGHT:
- new_gadget->height = va_arg(ap, int);
+ gi->height = va_arg(ap, int);
break;
case GDI_TYPE:
- new_gadget->type = va_arg(ap, unsigned long);
+ gi->type = va_arg(ap, unsigned long);
break;
case GDI_STATE:
- new_gadget->state = va_arg(ap, unsigned long);
+ gi->state = va_arg(ap, unsigned long);
+ break;
+
+ case GDI_CHECKED:
+ gi->checked = va_arg(ap, boolean);
break;
- case GDI_ALT_STATE:
- new_gadget->state = va_arg(ap, boolean);
+ case GDI_RADIO_NR:
+ gi->radio_nr = va_arg(ap, unsigned long);
break;
case GDI_NUMBER_VALUE:
- new_gadget->number_value = va_arg(ap, long);
+ gi->text.number_value = va_arg(ap, long);
+ sprintf(gi->text.value, "%d", gi->text.number_value);
+ gi->text.cursor_position = strlen(gi->text.value);
+ break;
+
+ case GDI_NUMBER_MIN:
+ gi->text.number_min = va_arg(ap, long);
+ if (gi->text.number_value < gi->text.number_min)
+ {
+ gi->text.number_value = gi->text.number_min;
+ sprintf(gi->text.value, "%d", gi->text.number_value);
+ }
+ break;
+
+ case GDI_NUMBER_MAX:
+ gi->text.number_max = va_arg(ap, long);
+ if (gi->text.number_value > gi->text.number_max)
+ {
+ gi->text.number_value = gi->text.number_max;
+ sprintf(gi->text.value, "%d", gi->text.number_value);
+ }
break;
case GDI_TEXT_VALUE:
- strcpy(new_gadget->text_value, va_arg(ap, char *));
+ {
+ int max_textsize = MAX_GADGET_TEXTSIZE;
+
+ if (gi->text.size)
+ max_textsize = MIN(gi->text.size, MAX_GADGET_TEXTSIZE - 1);
+
+ strncpy(gi->text.value, va_arg(ap, char *), max_textsize);
+ gi->text.value[max_textsize] = '\0';
+ gi->text.cursor_position = strlen(gi->text.value);
+ }
+ break;
+
+ case GDI_TEXT_SIZE:
+ {
+ int tag_value = va_arg(ap, int);
+ int max_textsize = MIN(tag_value, MAX_GADGET_TEXTSIZE - 1);
+
+ gi->text.size = max_textsize;
+ gi->text.value[max_textsize] = '\0';
+
+ if (gi->width == 0 && gi->height == 0)
+ {
+ gi->width = (gi->text.size + 1) * FONT2_XSIZE + 6;
+ gi->height = ED_WIN_COUNT_YSIZE;
+ }
+ }
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);
+ gi->design[GD_BUTTON_UNPRESSED].pixmap = va_arg(ap, Pixmap);
+ gi->design[GD_BUTTON_UNPRESSED].x = va_arg(ap, int);
+ gi->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);
+ gi->design[GD_BUTTON_PRESSED].pixmap = va_arg(ap, Pixmap);
+ gi->design[GD_BUTTON_PRESSED].x = va_arg(ap, int);
+ gi->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);
+ gi->alt_design[GD_BUTTON_UNPRESSED].pixmap= va_arg(ap, Pixmap);
+ gi->alt_design[GD_BUTTON_UNPRESSED].x = va_arg(ap, int);
+ gi->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);
+ gi->alt_design[GD_BUTTON_PRESSED].pixmap = va_arg(ap, Pixmap);
+ gi->alt_design[GD_BUTTON_PRESSED].x = va_arg(ap, int);
+ gi->alt_design[GD_BUTTON_PRESSED].y = va_arg(ap, int);
+ break;
+
+ case GDI_DESIGN_BORDER:
+ gi->design_border = va_arg(ap, int);
+ break;
+
+ case GDI_DECORATION_DESIGN:
+ gi->deco.design.pixmap = va_arg(ap, Pixmap);
+ gi->deco.design.x = va_arg(ap, int);
+ gi->deco.design.y = va_arg(ap, int);
+ break;
+
+ case GDI_DECORATION_POSITION:
+ gi->deco.x = va_arg(ap, int);
+ gi->deco.y = va_arg(ap, int);
+ break;
+
+ case GDI_DECORATION_SIZE:
+ gi->deco.width = va_arg(ap, int);
+ gi->deco.height = va_arg(ap, int);
+ break;
+
+ case GDI_DECORATION_SHIFTING:
+ gi->deco.xshift = va_arg(ap, int);
+ gi->deco.yshift = va_arg(ap, int);
break;
case GDI_EVENT_MASK:
- new_gadget->event_mask = va_arg(ap, unsigned long);
+ gi->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);
+ gi->drawing.area_xsize = va_arg(ap, int);
+ gi->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)
+ if (gi->width == 0 && gi->height == 0 &&
+ gi->drawing.item_xsize !=0 && gi->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;
+ gi->width = gi->drawing.area_xsize * gi->drawing.item_xsize;
+ gi->height = gi->drawing.area_ysize * gi->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)
+ else if (gi->drawing.item_xsize == 0 && gi->drawing.item_ysize == 0 &&
+ gi->width != 0 && gi->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;
+ gi->drawing.item_xsize = gi->width / gi->drawing.area_xsize;
+ gi->drawing.item_ysize = gi->height / gi->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);
+ gi->drawing.item_xsize = va_arg(ap, int);
+ gi->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)
+ if (gi->width == 0 && gi->height == 0 &&
+ gi->drawing.area_xsize !=0 && gi->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;
+ gi->width = gi->drawing.area_xsize * gi->drawing.item_xsize;
+ gi->height = gi->drawing.area_ysize * gi->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)
+ else if (gi->drawing.area_xsize == 0 && gi->drawing.area_ysize == 0 &&
+ gi->width != 0 && gi->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;
+ gi->drawing.area_xsize = gi->width / gi->drawing.item_xsize;
+ gi->drawing.area_ysize = gi->height / gi->drawing.item_ysize;
}
break;
- case GDI_CALLBACK:
- new_gadget->callback = va_arg(ap, gadget_callback_function);
+ case GDI_SCROLLBAR_ITEMS_MAX:
+ gi->scrollbar.items_max = va_arg(ap, int);
+ break;
+
+ case GDI_SCROLLBAR_ITEMS_VISIBLE:
+ gi->scrollbar.items_visible = va_arg(ap, int);
+ break;
+
+ case GDI_SCROLLBAR_ITEM_POSITION:
+ gi->scrollbar.item_position = va_arg(ap, int);
+ break;
+
+ case GDI_CALLBACK_INFO:
+ gi->callback_info = va_arg(ap, gadget_function);
+ break;
+
+ case GDI_CALLBACK_ACTION:
+ gi->callback_action = va_arg(ap, gadget_function);
break;
default:
- Error(ERR_EXIT, "CreateGadget(): unknown tag %d", tag);
+ Error(ERR_EXIT, "HandleGadgetTags(): 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))
+ if (gi->type != GD_TYPE_DRAWING_AREA &&
+ (!gi->design[GD_BUTTON_UNPRESSED].pixmap ||
+ !gi->design[GD_BUTTON_PRESSED].pixmap))
Error(ERR_EXIT, "gadget incomplete (missing Pixmap)");
- /* insert new gadget into gloabl gadget list */
+ /* adjust gadget values in relation to other gadget values */
+
+ if (gi->type & GD_TYPE_TEXTINPUT_NUMERIC)
+ {
+ struct GadgetTextInput *text = &gi->text;
+ int value = text->number_value;
+
+ text->number_value = (value < text->number_min ? text->number_min :
+ value > text->number_max ? text->number_max :
+ value);
+
+ sprintf(text->value, "%d", text->number_value);
+ }
+
+ if (gi->type & GD_TYPE_SCROLLBAR)
+ {
+ struct GadgetScrollbar *gs = &gi->scrollbar;
+
+ 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_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;
+ gs->position_max = gs->size_max - gs->size;
+
+ /* finetuning for maximal right/bottom position */
+ if (gs->item_position == gs->items_max - gs->items_visible)
+ gs->position = gs->position_max;
+ }
+}
+void ModifyGadget(struct GadgetInfo *gi, int first_tag, ...)
+{
+ va_list ap;
+
+ va_start(ap, first_tag);
+ HandleGadgetTags(gi, first_tag, ap);
+ va_end(ap);
+
+ RedrawGadget(gi);
+}
+
+void RedrawGadget(struct GadgetInfo *gi)
+{
+ if (gi->mapped)
+ DrawGadget(gi, gi->state, DG_DIRECT);
+}
+
+struct GadgetInfo *CreateGadget(int first_tag, ...)
+{
+ struct GadgetInfo *new_gadget = checked_malloc(sizeof(struct GadgetInfo));
+ va_list ap;
+
+ /* always start with reliable default values */
+ memset(new_gadget, 0, sizeof(struct GadgetInfo)); /* zero all fields */
+ new_gadget->id = getNewGadgetID();
+ new_gadget->callback_info = default_callback_info;
+ new_gadget->callback_action = default_callback_action;
+
+ va_start(ap, first_tag);
+ HandleGadgetTags(new_gadget, first_tag, ap);
+ va_end(ap);
+
+ /* insert new gadget into global 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;
}
free(gi);
}
-static void DrawGadget(struct GadgetInfo *gi, boolean pressed, boolean direct)
+static void CheckRangeOfNumericInputGadget(struct GadgetInfo *gi)
{
- 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)
+ if (gi->type != GD_TYPE_TEXTINPUT_NUMERIC)
return;
- XCopyArea(display, gd->pixmap, drawto, gc,
- gd->x, gd->y, gi->width, gi->height, gi->x, gi->y);
+ gi->text.number_value = atoi(gi->text.value);
- 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;
+ if (gi->text.number_value < gi->text.number_min)
+ gi->text.number_value = gi->text.number_min;
+ if (gi->text.number_value > gi->text.number_max)
+ gi->text.number_value = gi->text.number_max;
+
+ sprintf(gi->text.value, "%d", gi->text.number_value);
+
+ if (gi->text.cursor_position < 0)
+ gi->text.cursor_position = 0;
+ else if (gi->text.cursor_position > strlen(gi->text.value))
+ gi->text.cursor_position = strlen(gi->text.value);
}
-void MapGadget(struct GadgetInfo *gi)
+/* global pointer to gadget actually in use (when mouse button pressed) */
+static struct GadgetInfo *last_gi = NULL;
+
+static void MapGadgetExt(struct GadgetInfo *gi, boolean redraw)
{
- if (gi == NULL)
+ if (gi == NULL || gi->mapped)
return;
gi->mapped = TRUE;
- DrawGadget(gi, (gi->state == GD_BUTTON_PRESSED), FALSE);
+ if (redraw)
+ DrawGadget(gi, DG_UNPRESSED, DG_BUFFERED);
+}
+
+void MapGadget(struct GadgetInfo *gi)
+{
+ MapGadgetExt(gi, TRUE);
}
void UnmapGadget(struct GadgetInfo *gi)
{
- if (gi == NULL)
+ if (gi == NULL || !gi->mapped)
return;
gi->mapped = FALSE;
+
+ if (gi == last_gi)
+ last_gi = NULL;
+}
+
+#define MAX_NUM_GADGETS 1024
+#define MULTIMAP_UNMAP (1 << 0)
+#define MULTIMAP_REMAP (1 << 1)
+#define MULTIMAP_REDRAW (1 << 2)
+#define MULTIMAP_PLAYFIELD (1 << 3)
+#define MULTIMAP_DOOR_1 (1 << 4)
+#define MULTIMAP_DOOR_2 (1 << 5)
+#define MULTIMAP_ALL (MULTIMAP_PLAYFIELD | \
+ MULTIMAP_DOOR_1 | \
+ MULTIMAP_DOOR_2)
+
+static void MultiMapGadgets(int mode)
+{
+ struct GadgetInfo *gi = gadget_list_first_entry;
+ static boolean map_state[MAX_NUM_GADGETS];
+ int map_count = 0;
+
+ while (gi)
+ {
+ if ((mode & MULTIMAP_PLAYFIELD && gi->x < SX + SXSIZE) ||
+ (mode & MULTIMAP_DOOR_1 && gi->x >= DX && gi->y < DY + DYSIZE) ||
+ (mode & MULTIMAP_DOOR_1 && gi->x >= DX && gi->y > DY + DYSIZE))
+ {
+ if (mode & MULTIMAP_UNMAP)
+ {
+ map_state[map_count++ % MAX_NUM_GADGETS] = gi->mapped;
+ UnmapGadget(gi);
+ }
+ else
+ {
+ if (map_state[map_count++ % MAX_NUM_GADGETS])
+ MapGadgetExt(gi, (mode & MULTIMAP_REDRAW));
+ }
+ }
+
+ gi = gi->next;
+ }
+}
+
+void UnmapAllGadgets()
+{
+ MultiMapGadgets(MULTIMAP_ALL | MULTIMAP_UNMAP);
+}
+
+void RemapAllGadgets()
+{
+ MultiMapGadgets(MULTIMAP_ALL | MULTIMAP_REMAP);
+}
+
+boolean anyTextGadgetActive()
+{
+ return (last_gi && last_gi->type & GD_TYPE_TEXTINPUT && last_gi->mapped);
+}
+
+void ClickOnGadget(struct GadgetInfo *gi, int button)
+{
+ /* simulate releasing mouse button over last gadget, if still pressed */
+ if (button_status)
+ HandleGadgets(-1, -1, 0);
+
+ /* simulate pressing mouse button over specified gadget */
+ HandleGadgets(gi->x, gi->y, button);
+
+ /* simulate releasing mouse button over specified gadget */
+ HandleGadgets(gi->x, gi->y, 0);
}
void HandleGadgets(int mx, int my, int button)
{
- static struct GadgetInfo *gi = NULL;
+ static struct GadgetInfo *last_info_gi = NULL;
static unsigned long pressed_delay = 0;
-
- struct GadgetInfo *new_gi;
+ static int last_button = 0;
+ static int last_mx = 0, last_my = 0;
+ int scrollbar_mouse_pos = 0;
+ struct GadgetInfo *new_gi, *gi;
+ boolean press_event;
+ boolean release_event;
+ boolean mouse_moving;
boolean gadget_pressed;
boolean gadget_pressed_repeated;
boolean gadget_moving;
+ boolean gadget_moving_inside;
boolean gadget_moving_off_borders;
boolean gadget_released;
+ boolean gadget_released_inside;
boolean gadget_released_off_borders;
+ boolean changed_position = FALSE;
+ /* check if there are any gadgets defined */
if (gadget_list_first_entry == NULL)
return;
- new_gi = getGadgetInfoFromMousePosition(mx,my);
+ /* check which gadget is under the mouse pointer */
+ new_gi = getGadgetInfoFromMousePosition(mx, my);
+
+ /* check if button state has changed since last invocation */
+ press_event = (button != 0 && last_button == 0);
+ release_event = (button == 0 && last_button != 0);
+ last_button = button;
+
+ /* check if mouse has been moved since last invocation */
+ mouse_moving = ((mx != last_mx || my != last_my) && motion_status);
+ last_mx = mx;
+ last_my = my;
+
+ /* special treatment for text and number input gadgets */
+ if (anyTextGadgetActive() && button != 0 && !motion_status)
+ {
+ struct GadgetInfo *gi = last_gi;
+
+ if (new_gi == last_gi)
+ {
+ /* if mouse button pressed inside activated text gadget, set cursor */
+ gi->text.cursor_position = (mx - gi->x) / FONT2_XSIZE;
+
+ if (gi->text.cursor_position < 0)
+ gi->text.cursor_position = 0;
+ else if (gi->text.cursor_position > strlen(gi->text.value))
+ gi->text.cursor_position = strlen(gi->text.value);
+
+ DrawGadget(gi, DG_PRESSED, DG_DIRECT);
+ }
+ else
+ {
+ /* if mouse button pressed outside text input gadget, deactivate it */
+ CheckRangeOfNumericInputGadget(gi);
+ DrawGadget(gi, DG_UNPRESSED, DG_DIRECT);
+
+ if (gi->event_mask & GD_EVENT_TEXT_LEAVING)
+ gi->callback_action(gi);
+
+ last_gi = NULL;
+ }
+ }
gadget_pressed =
- (button != 0 && gi == NULL && new_gi != NULL && !motion_status);
+ (button != 0 && last_gi == NULL && new_gi != NULL && press_event);
gadget_pressed_repeated =
- (button != 0 && gi != NULL && new_gi == gi);
- gadget_moving =
- (button != 0 && gi != NULL && new_gi == gi && motion_status);
- gadget_moving_off_borders =
- (button != 0 && gi != NULL && new_gi != gi && motion_status);
- gadget_released =
- (button == 0 && gi != NULL && new_gi == gi);
- gadget_released_off_borders =
- (button == 0 && gi != NULL && new_gi != gi);
+ (button != 0 && last_gi != NULL && new_gi == last_gi);
+
+ 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);
+
+ gadget_moving = (button != 0 && last_gi != NULL && mouse_moving);
+ gadget_moving_inside = (gadget_moving && new_gi == last_gi);
+ gadget_moving_off_borders = (gadget_moving && new_gi != last_gi);
+ /* if new gadget pressed, store this gadget */
if (gadget_pressed)
+ last_gi = new_gi;
+
+ /* 'gi' is actually handled gadget */
+ gi = last_gi;
+
+ /* if gadget is scrollbar, choose mouse position value */
+ if (gi && gi->type & GD_TYPE_SCROLLBAR)
+ scrollbar_mouse_pos =
+ (gi->type == GD_TYPE_SCROLLBAR_HORIZONTAL ? mx - gi->x : my - gi->y);
+
+ /* if mouse button released, no gadget needs to be handled anymore */
+ if (button == 0 && last_gi && !(last_gi->type & GD_TYPE_TEXTINPUT))
+ last_gi = NULL;
+
+ /* modify event position values even if no gadget is pressed */
+ if (button == 0 && !release_event)
gi = new_gi;
if (gi)
{
+ int last_x = gi->event.x;
+ int last_y = gi->event.y;
+
gi->event.x = mx - gi->x;
gi->event.y = my - gi->y;
{
gi->event.x /= gi->drawing.item_xsize;
gi->event.y /= gi->drawing.item_ysize;
+
+ if (last_x != gi->event.x || last_y != gi->event.y)
+ changed_position = TRUE;
}
}
+ /* handle gadget popup info text */
+ if (last_info_gi != new_gi ||
+ (new_gi && new_gi->type == GD_TYPE_DRAWING_AREA && changed_position))
+ {
+ last_info_gi = new_gi;
+
+ if (new_gi != NULL && (button == 0 || new_gi == last_gi))
+ {
+ new_gi->event.type = 0;
+ new_gi->callback_info(new_gi);
+ }
+ else
+ default_callback_info(NULL);
+ }
+
if (gadget_pressed)
{
- DrawGadget(gi, TRUE, TRUE);
+ 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, DG_DIRECT);
+ }
+
+ rgi = rgi->next;
+ }
+
+ gi->checked = TRUE;
+ }
+ else if (gi->type & GD_TYPE_SCROLLBAR)
+ {
+ int mpos, gpos;
+
+ if (gi->type == GD_TYPE_SCROLLBAR_HORIZONTAL)
+ {
+ mpos = mx;
+ gpos = gi->x;
+ }
+ else
+ {
+ mpos = my;
+ gpos = gi->y;
+ }
+
+ 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
+ {
+ /* click scrollbar one scrollbar length up/left or down/right */
+
+ struct GadgetScrollbar *gs = &gi->scrollbar;
+ int old_item_position = gs->item_position;
+
+ changed_position = FALSE;
+
+ gs->item_position +=
+ gs->items_visible * (mpos < gpos + gi->scrollbar.position ? -1 : +1);
+
+ if (gs->item_position < 0)
+ gs->item_position = 0;
+ 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)
+ {
+ gi->event.item_position = gs->item_position;
+ changed_position = TRUE;
+ }
+
+ ModifyGadget(gi, GDI_SCROLLBAR_ITEM_POSITION, gs->item_position,
+ GDI_END);
+
+ gi->state = GD_BUTTON_UNPRESSED;
+ gi->event.type = GD_EVENT_MOVING;
+ gi->event.off_borders = FALSE;
+
+ 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;
+ }
+ }
+
+ DrawGadget(gi, DG_PRESSED, DG_DIRECT);
gi->state = GD_BUTTON_PRESSED;
gi->event.type = GD_EVENT_PRESSED;
gi->event.off_borders = FALSE;
/* initialize delay counter */
- pressed_delay = 0;
- DelayReached(&pressed_delay, GADGET_FRAME_DELAY);
+ DelayReached(&pressed_delay, 0);
if (gi->event_mask & GD_EVENT_PRESSED)
- gi->callback(gi);
+ gi->callback_action(gi);
}
if (gadget_pressed_repeated)
{
if (gi->event_mask & GD_EVENT_REPEATED &&
DelayReached(&pressed_delay, GADGET_FRAME_DELAY))
- gi->callback(gi);
+ gi->callback_action(gi);
}
if (gadget_moving)
{
- if (gi->state == GD_BUTTON_UNPRESSED)
- DrawGadget(gi, TRUE, TRUE);
+ if (gi->type & GD_TYPE_BUTTON)
+ {
+ if (gadget_moving_inside && gi->state == GD_BUTTON_UNPRESSED)
+ DrawGadget(gi, DG_PRESSED, DG_DIRECT);
+ else if (gadget_moving_off_borders && gi->state == GD_BUTTON_PRESSED)
+ DrawGadget(gi, DG_UNPRESSED, DG_DIRECT);
+ }
- 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 (gi->type & GD_TYPE_SCROLLBAR)
+ {
+ struct GadgetScrollbar *gs = &gi->scrollbar;
+ int old_item_position = gs->item_position;
- if (gadget_moving_off_borders)
- {
- if (gi->state == GD_BUTTON_PRESSED)
- DrawGadget(gi, FALSE, TRUE);
+ gs->position = scrollbar_mouse_pos - gs->drag_position;
- gi->state = GD_BUTTON_UNPRESSED;
+ if (gs->position < 0)
+ gs->position = 0;
+ if (gs->position > gs->position_max)
+ gs->position = gs->position_max;
+
+ gs->item_position = gs->items_max * gs->position / gs->size_max;
+
+ if (old_item_position != gs->item_position)
+ {
+ gi->event.item_position = gs->item_position;
+ changed_position = TRUE;
+ }
+
+ DrawGadget(gi, DG_PRESSED, DG_DIRECT);
+ }
+
+ gi->state = (gadget_moving_inside || gi->type & GD_TYPE_SCROLLBAR ?
+ GD_BUTTON_PRESSED : GD_BUTTON_UNPRESSED);
gi->event.type = GD_EVENT_MOVING;
- gi->event.off_borders = TRUE;
+ gi->event.off_borders = gadget_moving_off_borders;
- if (gi->event_mask & GD_EVENT_MOVING &&
- gi->event_mask & GD_EVENT_OFF_BORDERS)
- gi->callback(gi);
+ if (gi->event_mask & GD_EVENT_MOVING && changed_position &&
+ (gadget_moving_inside || gi->event_mask & GD_EVENT_OFF_BORDERS))
+ gi->callback_action(gi);
}
- if (gadget_released)
+ if (gadget_released_inside)
{
- DrawGadget(gi, FALSE, TRUE);
+ if (!(gi->type & GD_TYPE_TEXTINPUT))
+ DrawGadget(gi, DG_UNPRESSED, DG_DIRECT);
gi->state = GD_BUTTON_UNPRESSED;
gi->event.type = GD_EVENT_RELEASED;
if (gi->event_mask & GD_EVENT_RELEASED)
- gi->callback(gi);
+ gi->callback_action(gi);
}
if (gadget_released_off_borders)
{
+ if (gi->type & GD_TYPE_SCROLLBAR)
+ DrawGadget(gi, DG_UNPRESSED, DG_DIRECT);
+
gi->event.type = GD_EVENT_RELEASED;
if (gi->event_mask & GD_EVENT_RELEASED &&
gi->event_mask & GD_EVENT_OFF_BORDERS)
- gi->callback(gi);
+ gi->callback_action(gi);
}
+}
- if (button == 0)
- gi = NULL;
+void HandleGadgetsKeyInput(KeySym key)
+{
+ struct GadgetInfo *gi = last_gi;
+ char text[MAX_GADGET_TEXTSIZE];
+ int text_length;
+ int cursor_pos;
+ char letter;
+ boolean legal_letter;
+
+ if (gi == NULL || !(gi->type & GD_TYPE_TEXTINPUT) || !gi->mapped)
+ return;
+
+ text_length = strlen(gi->text.value);
+ cursor_pos = gi->text.cursor_position;
+ letter = getCharFromKeySym(key);
+ legal_letter = (gi->type == GD_TYPE_TEXTINPUT_NUMERIC ?
+ letter >= '0' && letter <= '9' :
+ letter != 0);
+
+ if (legal_letter && text_length < gi->text.size)
+ {
+ strcpy(text, gi->text.value);
+ strcpy(&gi->text.value[cursor_pos + 1], &text[cursor_pos]);
+ gi->text.value[cursor_pos] = letter;
+ gi->text.cursor_position++;
+ DrawGadget(gi, DG_PRESSED, DG_DIRECT);
+ }
+ else if (key == XK_Left && cursor_pos > 0)
+ {
+ gi->text.cursor_position--;
+ DrawGadget(gi, DG_PRESSED, DG_DIRECT);
+ }
+ else if (key == XK_Right && cursor_pos < text_length)
+ {
+ gi->text.cursor_position++;
+ DrawGadget(gi, DG_PRESSED, DG_DIRECT);
+ }
+ else if (key == XK_BackSpace && cursor_pos > 0)
+ {
+ strcpy(text, gi->text.value);
+ strcpy(&gi->text.value[cursor_pos - 1], &text[cursor_pos]);
+ gi->text.cursor_position--;
+ DrawGadget(gi, DG_PRESSED, DG_DIRECT);
+ }
+ else if (key == XK_Delete && cursor_pos < text_length)
+ {
+ strcpy(text, gi->text.value);
+ strcpy(&gi->text.value[cursor_pos], &text[cursor_pos + 1]);
+ DrawGadget(gi, DG_PRESSED, DG_DIRECT);
+ }
+ else if (key == XK_Return)
+ {
+ CheckRangeOfNumericInputGadget(gi);
+ DrawGadget(gi, DG_UNPRESSED, DG_DIRECT);
+
+ if (gi->event_mask & GD_EVENT_TEXT_RETURN)
+ gi->callback_action(gi);
+
+ last_gi = NULL;
+ }
}