// (c) 1995-2014 by Artsoft Entertainment
// Holger Schemel
// info@artsoft.org
-// http://www.artsoft.org/
+// https://www.artsoft.org/
// ----------------------------------------------------------------------------
// gadgets.c
// ============================================================================
#include <string.h>
#include "gadgets.h"
+#include "image.h"
#include "text.h"
#include "misc.h"
-/* values for DrawGadget() */
+// values for DrawGadget()
#define DG_UNPRESSED 0
#define DG_PRESSED 1
#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' && \
static struct GadgetInfo *last_info_gi = NULL;
static int next_free_gadget_id = 1;
static boolean gadget_id_wrapped = FALSE;
+static int gadget_screen_border_right = -1;
+static int gadget_screen_border_bottom = -1;
static void (*PlayGadgetSoundActivating)(void) = NULL;
static void (*PlayGadgetSoundSelecting)(void) = NULL;
PlayGadgetSoundSelecting = selecting_function;
}
+void InitGadgetScreenBorders(int border_right, int border_bottom)
+{
+ gadget_screen_border_right = border_right;
+ gadget_screen_border_bottom = border_bottom;
+}
+
+static int getGadgetScreenBorderRight(void)
+{
+ if (gadget_screen_border_right < gfx.sx ||
+ gadget_screen_border_right > gfx.sx + gfx.sxsize)
+ return gfx.sx + gfx.sxsize;
+
+ return gadget_screen_border_right;
+}
+
+static int getGadgetScreenBorderBottom(void)
+{
+ if (gadget_screen_border_bottom < gfx.sy ||
+ gadget_screen_border_bottom > gfx.sy + gfx.sysize)
+ return gfx.sy + gfx.sysize;
+
+ return gadget_screen_border_bottom;
+}
+
static struct GadgetInfo *getGadgetInfoFromGadgetID(int id)
{
struct GadgetInfo *gi = gadget_list_first_entry;
return gi;
}
-static int getNewGadgetID()
+static int getNewGadgetID(void)
{
int id = next_free_gadget_id++;
- if (next_free_gadget_id <= 0) /* counter overrun */
+ if (next_free_gadget_id <= 0) // counter overrun
{
- gadget_id_wrapped = TRUE; /* now we must check each ID */
+ gadget_id_wrapped = TRUE; // now we must check each ID
next_free_gadget_id = 0;
}
next_free_gadget_id++;
}
- if (next_free_gadget_id <= 0) /* cannot get new gadget id */
- Error(ERR_EXIT, "too much gadgets -- this should not happen");
+ if (next_free_gadget_id <= 0) // cannot get new gadget id
+ Fail("too much gadgets -- this should not happen");
return id;
}
{
struct GadgetInfo *gi;
- /* first check for scrollbars in case of mouse scroll wheel button events */
+ // first check for scrollbars in case of mouse scroll wheel button events
if (IS_WHEEL_BUTTON(button))
{
- /* real horizontal wheel or vertical wheel with modifier key pressed */
+ // 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 directly under the mouse pointer */
+ // 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 &&
return gi;
}
- /* check for the first active scrollbar with matching mouse wheel area */
+ // 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 &&
return gi;
}
- /* no active scrollbar found -- ignore this scroll wheel button event */
+ // no active scrollbar found -- ignore this scroll wheel button event
return NULL;
}
- /* open selectboxes may overlap other active gadgets, so check them first */
+ // open selectboxes may overlap other active gadgets, so check them first
for (gi = gadget_list_first_entry; gi != NULL; gi = gi->next)
{
if (gi->mapped && gi->active &&
return gi;
}
- /* check all other gadgets */
+ // full text areas may overlap other active gadgets, so check them first
+ for (gi = gadget_list_first_entry; gi != NULL; gi = gi->next)
+ {
+ if (gi->mapped && gi->active &&
+ gi->type & GD_TYPE_TEXT_AREA && gi->textarea.full_open &&
+ mx >= gi->textarea.full_x && mx < gi->textarea.full_x + gi->width &&
+ my >= gi->textarea.full_y && my < gi->textarea.full_y + gi->height)
+ return gi;
+ }
+
+ // check all other gadgets
for (gi = gadget_list_first_entry; gi != NULL; gi = gi->next)
{
if (gi->mapped && gi->active &&
while (*text)
{
- if (set_cursor_pos) /* x/y => position */
+ if (set_cursor_pos) // x/y => position
{
if (y == cursor_y && (x == cursor_x || (x < cursor_x && *text == '\n')))
break;
}
- else /* position => x/y */
+ else // position => x/y
{
if (pos == cursor_position)
break;
return;
}
+static void DoGadgetCallbackAction(struct GadgetInfo *gi, boolean changed)
+{
+ if (changed || gi->callback_action_always)
+ gi->callback_action(gi);
+}
+
static void DrawGadget(struct GadgetInfo *gi, boolean pressed, boolean direct)
{
struct GadgetDesign *gd;
int state = (pressed ? GD_BUTTON_PRESSED : GD_BUTTON_UNPRESSED);
boolean redraw_selectbox = FALSE;
- if (gi == NULL)
+ if (gi == NULL || gi->deactivated)
+ return;
+
+ if (gi->overlay_touch_button) // will be drawn later (as texture)
return;
gd = (!gi->active ? &gi->alt_design[state] :
{
case GD_TYPE_NORMAL_BUTTON:
case GD_TYPE_CHECK_BUTTON:
+ case GD_TYPE_CHECK_BUTTON_2:
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:
int text_size = strlen(gi->textbutton.value);
int text_start = (gi->width - text_size * font_width) / 2;
- /* left part of gadget */
+ // left part of gadget
BlitBitmapOnBackground(gd->bitmap, drawto, gd->x, gd->y,
border_x, gi->height, gi->x, gi->y);
- /* middle part of gadget */
- for (i=0; i < gi->textbutton.size; i++)
+ // middle part of gadget
+ for (i = 0; i < gi->textbutton.size; i++)
BlitBitmapOnBackground(gd->bitmap, drawto, gd->x + border_x, gd->y,
font_width, gi->height,
gi->x + border_x + i * font_width, gi->y);
- /* right part of gadget */
+ // right part of gadget
BlitBitmapOnBackground(gd->bitmap, drawto,
gd->x + gi->border.width - border_x, gd->y,
border_x, gi->height,
gi->x + gi->width - border_x, gi->y);
- /* gadget text value */
+ // gadget text value
DrawTextExt(drawto,
gi->x + text_start + (pressed ? gi->deco.xshift : 0),
gi->y + border_y + (pressed ? gi->deco.yshift : 0),
char text[MAX_GADGET_TEXTSIZE + 1];
int font_nr = (pressed ? gi->font_active : gi->font);
int font_width = getFontWidth(font_nr);
+ int font_height = getFontHeight(font_nr);
+ struct FontBitmapInfo *font = getFontBitmapInfo(font_nr);
int border_x = gi->border.xsize;
int border_y = gi->border.ysize;
+ int text_x = gi->x + font->draw_xoffset;
+ int text_y = gi->y + font->draw_yoffset;
- /* left part of gadget */
+ // left part of gadget
BlitBitmapOnBackground(gd->bitmap, drawto, gd->x, gd->y,
border_x, gi->height, gi->x, gi->y);
- /* middle part of gadget */
- for (i=0; i < gi->textinput.size + 1; i++)
+ // middle part of gadget
+ for (i = 0; i < gi->textinput.size + 1; i++)
BlitBitmapOnBackground(gd->bitmap, drawto, gd->x + border_x, gd->y,
font_width, gi->height,
gi->x + border_x + i * font_width, gi->y);
- /* right part of gadget */
+ // right part of gadget
BlitBitmapOnBackground(gd->bitmap, drawto,
gd->x + gi->border.width - border_x, gd->y,
border_x, gi->height,
gi->x + gi->width - border_x, gi->y);
- /* set text value */
+ // set text value
strcpy(text, gi->textinput.value);
strcat(text, " ");
- /* gadget text value */
+ // dirty workaround to erase text if input gadget font has draw offset
+ if (font->draw_xoffset != 0 || font->draw_yoffset != 0)
+ for (i = 0; i < gi->textinput.size + 1; i++)
+ BlitBitmapOnBackground(gd->bitmap, drawto,
+ gd->x + border_x, gd->y + border_y,
+ font_width, font_height,
+ text_x + border_x + i * font_width,
+ text_y + border_y);
+
+ // gadget text value
DrawTextExt(drawto,
gi->x + border_x, gi->y + border_y, text,
font_nr, BLIT_MASKED);
cursor_string[0] = (cursor_letter != '\0' ? cursor_letter : ' ');
cursor_string[1] = '\0';
- /* draw cursor, if active */
+ // draw cursor, if active
if (pressed)
DrawTextExt(drawto,
gi->x + border_x +
int border_x = gi->border.xsize;
int border_y = gi->border.ysize;
int gd_height = 2 * border_y + font_height;
+ int x = gi->x;
+ int y = gi->y;
+ int width = gi->width;
+ int height = gi->height;
+ int xsize = gi->textarea.xsize;
+ int ysize = gi->textarea.ysize;
+
+ if (gi->textarea.cropped)
+ {
+ if (pressed)
+ {
+ x = gi->textarea.full_x;
+ y = gi->textarea.full_y;
+
+ if (!gi->textarea.full_open)
+ {
+ gi->textarea.full_open = TRUE;
- /* top left part of gadget border */
+ // save background under fully opened text area
+ BlitBitmap(drawto, gfx.field_save_buffer,
+ gi->textarea.full_x, gi->textarea.full_y,
+ gi->width, gi->height,
+ gi->textarea.full_x, gi->textarea.full_y);
+ }
+ }
+ else
+ {
+ width = gi->textarea.crop_width;
+ height = gi->textarea.crop_height;
+ xsize = gi->textarea.crop_xsize;
+ ysize = gi->textarea.crop_ysize;
+
+ if (gi->textarea.full_open)
+ {
+ gi->textarea.full_open = FALSE;
+
+ // restore background under fully opened text area
+ BlitBitmap(gfx.field_save_buffer, drawto,
+ gi->textarea.full_x, gi->textarea.full_y,
+ gi->width, gi->height,
+ gi->textarea.full_x, gi->textarea.full_y);
+ }
+ }
+ }
+
+ // top left part of gadget border
BlitBitmapOnBackground(gd->bitmap, drawto, gd->x, gd->y,
- border_x, border_y, gi->x, gi->y);
+ border_x, border_y, x, y);
- /* top middle part of gadget border */
- for (i=0; i < gi->textarea.xsize; i++)
+ // top middle part of gadget border
+ for (i = 0; i < xsize; i++)
BlitBitmapOnBackground(gd->bitmap, drawto, gd->x + border_x, gd->y,
font_width, border_y,
- gi->x + border_x + i * font_width, gi->y);
+ x + border_x + i * font_width, y);
- /* top right part of gadget border */
+ // top right part of gadget border
BlitBitmapOnBackground(gd->bitmap, drawto,
gd->x + gi->border.width - border_x, gd->y,
border_x, border_y,
- gi->x + gi->width - border_x, gi->y);
+ x + width - border_x, y);
- /* left and right part of gadget border for each row */
- for (i=0; i < gi->textarea.ysize; i++)
+ // left and right part of gadget border for each row
+ for (i = 0; i < ysize; i++)
{
BlitBitmapOnBackground(gd->bitmap, drawto, gd->x, gd->y + border_y,
border_x, font_height,
- gi->x, gi->y + border_y + i * font_height);
+ x, y + border_y + i * font_height);
BlitBitmapOnBackground(gd->bitmap, drawto,
gd->x + gi->border.width - border_x,
gd->y + border_y,
border_x, font_height,
- gi->x + gi->width - border_x,
- gi->y + border_y + i * font_height);
+ x + width - border_x,
+ y + border_y + i * font_height);
}
- /* bottom left part of gadget border */
+ // bottom left part of gadget border
BlitBitmapOnBackground(gd->bitmap, drawto,
gd->x, gd->y + gd_height - border_y,
border_x, border_y,
- gi->x, gi->y + gi->height - border_y);
+ x, y + height - border_y);
- /* bottom middle part of gadget border */
- for (i=0; i < gi->textarea.xsize; i++)
+ // bottom middle part of gadget border
+ for (i = 0; i < xsize; i++)
BlitBitmapOnBackground(gd->bitmap, drawto,
gd->x + border_x,
gd->y + gd_height - border_y,
font_width, border_y,
- gi->x + border_x + i * font_width,
- gi->y + gi->height - border_y);
+ x + border_x + i * font_width,
+ y + height - border_y);
- /* bottom right part of gadget border */
+ // bottom right part of gadget border
BlitBitmapOnBackground(gd->bitmap, drawto,
gd->x + gi->border.width - border_x,
gd->y + gd_height - border_y,
border_x, border_y,
- gi->x + gi->width - border_x,
- gi->y + gi->height - border_y);
+ x + width - border_x,
+ y + height - border_y);
ClearRectangleOnBackground(drawto,
- gi->x + border_x,
- gi->y + border_y,
- gi->width - 2 * border_x,
- gi->height - 2 * border_y);
+ x + border_x,
+ y + border_y,
+ width - 2 * border_x,
+ height - 2 * border_y);
- /* gadget text value */
- 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);
+ // gadget text value
+ DrawTextArea(x + border_x, y + border_y, gi->textarea.value,
+ font_nr, xsize, -1, 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 : ' ');
cursor_string[1] = '\0';
- /* draw cursor, if active */
+ // draw cursor, if active
if (pressed)
DrawTextExt(drawto,
- gi->x + border_x + gi->textarea.cursor_x * font_width,
- gi->y + border_y + gi->textarea.cursor_y * font_height,
+ x + border_x + gi->textarea.cursor_x * font_width,
+ y + border_y + gi->textarea.cursor_y * font_height,
cursor_string,
font_nr, BLIT_INVERSE);
}
int box_width = gi->selectbox.width;
int box_height = gi->selectbox.height;
- /* left part of gadget */
+ // left part of gadget
BlitBitmapOnBackground(gd->bitmap, drawto, gd->x, gd->y,
border_x, gi->height, gi->x, gi->y);
- /* middle part of gadget */
- for (i=0; i < gi->selectbox.size; i++)
+ // middle part of gadget
+ for (i = 0; i < gi->selectbox.size; i++)
BlitBitmapOnBackground(gd->bitmap, drawto, gd->x + border_x, gd->y,
font_width, gi->height,
gi->x + border_x + i * font_width, gi->y);
- /* button part of gadget */
+ // button part of gadget
BlitBitmapOnBackground(gd->bitmap, drawto,
gd->x + border_x + width_inner, gd->y,
button, gi->height,
gi->x + gi->width - border_x - button, gi->y);
- /* right part of gadget */
+ // right part of gadget
BlitBitmapOnBackground(gd->bitmap, drawto,
gd->x + gi->border.width - border_x, gd->y,
border_x, gi->height,
gi->x + gi->width - border_x, gi->y);
- /* set text value */
+ // set text value
strncpy(text, gi->selectbox.options[gi->selectbox.index].text,
gi->selectbox.size);
text[gi->selectbox.size] = '\0';
- /* set font value */
+ // set font value
font_nr = (OPTION_TEXT_SELECTABLE(gi, text) ? font_nr_default :
gi->font_unselectable);
- /* gadget text value */
+ // gadget text value
DrawTextExt(drawto, gi->x + border_x, gi->y + border_y, text,
font_nr, BLIT_MASKED);
gi->selectbox.stay_open = FALSE;
gi->selectbox.current_index = gi->selectbox.index;
- /* save background under selectbox */
+ // save background under selectbox
BlitBitmap(drawto, gfx.field_save_buffer,
gi->selectbox.x, gi->selectbox.y,
gi->selectbox.width, gi->selectbox.height,
gi->selectbox.x, gi->selectbox.y);
}
- /* draw open selectbox */
+ // draw open selectbox
- /* top left part of gadget border */
+ // top left part of gadget border
BlitBitmapOnBackground(gd->bitmap, drawto, gd->x, gd->y,
border_x, border_y,
gi->selectbox.x, gi->selectbox.y);
- /* top middle part of gadget border */
- for (i=0; i < gi->selectbox.size; i++)
+ // top middle part of gadget border
+ for (i = 0; i < gi->selectbox.size; i++)
BlitBitmapOnBackground(gd->bitmap, drawto, gd->x + border_x, gd->y,
font_width, border_y,
gi->selectbox.x + border_x + i * font_width,
gi->selectbox.y);
- /* top button part of gadget border */
+ // top button part of gadget border
BlitBitmapOnBackground(gd->bitmap, drawto,
gd->x + border_x + width_inner, gd->y,
button, border_y,
gi->selectbox.x + box_width -border_x -button,
gi->selectbox.y);
- /* top right part of gadget border */
+ // top right part of gadget border
BlitBitmapOnBackground(gd->bitmap, drawto,
gd->x + gi->border.width - border_x, gd->y,
border_x, border_y,
gi->selectbox.x + box_width - border_x,
gi->selectbox.y);
- /* left and right part of gadget border for each row */
- for (i=0; i < gi->selectbox.num_values; i++)
+ // left and right part of gadget border for each row
+ for (i = 0; i < gi->selectbox.num_values; i++)
{
BlitBitmapOnBackground(gd->bitmap, drawto, gd->x, gd->y + border_y,
border_x, font_height,
gi->selectbox.y + border_y + i*font_height);
}
- /* bottom left part of gadget border */
+ // bottom left part of gadget border
BlitBitmapOnBackground(gd->bitmap, drawto,
gd->x, gd->y + gi->height - border_y,
border_x, border_y,
gi->selectbox.x,
gi->selectbox.y + box_height - border_y);
- /* bottom middle part of gadget border */
- for (i=0; i < gi->selectbox.size; i++)
+ // bottom middle part of gadget border
+ for (i = 0; i < gi->selectbox.size; i++)
BlitBitmapOnBackground(gd->bitmap, drawto,
gd->x + border_x,
gd->y + gi->height - border_y,
gi->selectbox.x + border_x + i * font_width,
gi->selectbox.y + box_height - border_y);
- /* bottom button part of gadget border */
+ // bottom button part of gadget border
BlitBitmapOnBackground(gd->bitmap, drawto,
gd->x + border_x + width_inner,
gd->y + gi->height - border_y,
gi->selectbox.x + box_width -border_x -button,
gi->selectbox.y + box_height - border_y);
- /* bottom right part of gadget border */
+ // bottom right part of gadget border
BlitBitmapOnBackground(gd->bitmap, drawto,
gd->x + gi->border.width - border_x,
gd->y + gi->height - border_y,
gi->selectbox.width - 2 * border_x,
gi->selectbox.height - 2 * border_y);
- /* selectbox text values */
- for (i=0; i < gi->selectbox.num_values; i++)
+ // selectbox text values
+ for (i = 0; i < gi->selectbox.num_values; i++)
{
int mask_mode = BLIT_MASKED;
gi->selectbox.width - 2 * border_x, font_height,
gi->selectbox.inverse_color);
- /* prevent use of cursor graphic by drawing at least two chars */
+ // prevent use of cursor graphic by drawing at least two chars
strcat(text, " ");
text[gi->selectbox.size] = '\0';
{
gi->selectbox.open = FALSE;
- /* restore background under selectbox */
+ // 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 */
+ // redraw closed selectbox
DrawGadget(gi, FALSE, FALSE);
redraw_selectbox = TRUE;
int num_steps = size_body / design_body;
int step_size_remain = size_body - num_steps * design_body;
- /* clear scrollbar area */
+ // clear scrollbar area
ClearRectangleOnBackground(backbuffer, gi->x, gi->y,
gi->width, gi->height);
- /* upper part of gadget */
+ // upper part of gadget
BlitBitmapOnBackground(gd->bitmap, drawto,
gd->x, gd->y,
gi->width, gi->border.ysize,
xpos, ypos);
- /* middle part of gadget */
- for (i=0; i < num_steps; i++)
+ // middle part of gadget
+ for (i = 0; i < num_steps; i++)
BlitBitmapOnBackground(gd->bitmap, drawto,
gd->x, gd->y + gi->border.ysize,
gi->width, design_body,
xpos,
ypos + gi->border.ysize + i * design_body);
- /* remaining middle part of gadget */
+ // remaining middle part of gadget
if (step_size_remain > 0)
BlitBitmapOnBackground(gd->bitmap, drawto,
gd->x, gd->y + gi->border.ysize,
ypos + gi->border.ysize
+ num_steps * design_body);
- /* lower part of gadget */
+ // lower part of gadget
BlitBitmapOnBackground(gd->bitmap, drawto,
gd->x, gd->y + design_full - gi->border.ysize,
gi->width, gi->border.ysize,
int num_steps = size_body / design_body;
int step_size_remain = size_body - num_steps * design_body;
- /* clear scrollbar area */
+ // clear scrollbar area
ClearRectangleOnBackground(backbuffer, gi->x, gi->y,
gi->width, gi->height);
- /* left part of gadget */
+ // left part of gadget
BlitBitmapOnBackground(gd->bitmap, drawto,
gd->x, gd->y,
gi->border.xsize, gi->height,
xpos, ypos);
- /* middle part of gadget */
- for (i=0; i < num_steps; i++)
+ // middle part of gadget
+ for (i = 0; i < num_steps; i++)
BlitBitmapOnBackground(gd->bitmap, drawto,
gd->x + gi->border.xsize, gd->y,
design_body, gi->height,
xpos + gi->border.xsize + i * design_body,
ypos);
- /* remaining middle part of gadget */
+ // remaining middle part of gadget
if (step_size_remain > 0)
BlitBitmapOnBackground(gd->bitmap, drawto,
gd->x + gi->border.xsize, gd->y,
+ num_steps * design_body,
ypos);
- /* right part of gadget */
+ // right part of gadget
BlitBitmapOnBackground(gd->bitmap, drawto,
gd->x + design_full - gi->border.xsize, gd->y,
gi->border.xsize, gi->height,
}
}
+static void SetGadgetPosition_OverlayTouchButton(struct GadgetInfo *gi)
+{
+ gi->x = gi->orig_x;
+ gi->y = gi->orig_y;
+
+ if (gi->x < 0)
+ gi->x += video.screen_width;
+ if (gi->y < 0)
+ gi->y += video.screen_height;
+
+ gi->x -= video.screen_xoffset;
+ gi->y -= video.screen_yoffset;
+}
+
+void SetGadgetsPosition_OverlayTouchButtons(void)
+{
+ struct GadgetInfo *gi;
+
+ if (gadget_list_first_entry == NULL)
+ return;
+
+ for (gi = gadget_list_first_entry; gi != NULL; gi = gi->next)
+ if (gi->overlay_touch_button)
+ SetGadgetPosition_OverlayTouchButton(gi);
+}
+
+static void DrawGadget_OverlayTouchButton(struct GadgetInfo *gi)
+{
+ struct GadgetDesign *gd;
+ int state = (gi->state ? GD_BUTTON_PRESSED : GD_BUTTON_UNPRESSED);
+
+ if (gi == NULL || gi->deactivated)
+ return;
+
+ gd = (!gi->active ? &gi->alt_design[state] :
+ gi->checked ? &gi->alt_design[state] : &gi->design[state]);
+
+ int x = gi->x + video.screen_xoffset;
+ int y = gi->y + video.screen_yoffset;
+ int alpha = gi->overlay_touch_button_alpha;
+ int alpha_max = SDL_ALPHA_OPAQUE;
+ int alpha_step = ALPHA_FADING_STEPSIZE(alpha_max);
+
+ // only show mapped overlay touch buttons if touch screen is really used
+ if (gi->mapped && runtime.uses_touch_device)
+ {
+ if (alpha < alpha_max)
+ alpha = MIN(alpha + alpha_step, alpha_max);
+ }
+ else
+ {
+ alpha = MAX(0, alpha - alpha_step);
+ }
+
+ gi->overlay_touch_button_alpha = alpha;
+
+ if (alpha == 0)
+ return;
+
+ switch (gi->type)
+ {
+ case GD_TYPE_NORMAL_BUTTON:
+ case GD_TYPE_CHECK_BUTTON:
+ case GD_TYPE_CHECK_BUTTON_2:
+ case GD_TYPE_RADIO_BUTTON:
+ SDL_SetTextureAlphaMod(gd->bitmap->texture_masked, alpha);
+ SDL_SetTextureBlendMode(gd->bitmap->texture_masked, SDL_BLENDMODE_BLEND);
+
+ BlitToScreenMasked(gd->bitmap, gd->x, gd->y, gi->width, gi->height, x, y);
+ break;
+
+ default:
+ return;
+ }
+}
+
+void DrawGadgets_OverlayTouchButtons(void)
+{
+ struct GadgetInfo *gi;
+
+ if (gadget_list_first_entry == NULL)
+ return;
+
+ for (gi = gadget_list_first_entry; gi != NULL; gi = gi->next)
+ if (gi->overlay_touch_button)
+ DrawGadget_OverlayTouchButton(gi);
+}
+
+boolean CheckPosition_OverlayTouchButtons(int mx, int my, int button)
+{
+ struct GadgetInfo *gi = getGadgetInfoFromMousePosition(mx, my, button);
+
+ return (gi != NULL && gi->overlay_touch_button);
+}
+
static int get_minimal_size_for_numeric_input(int minmax_value)
{
- int min_size = 1; /* value needs at least one digit */
+ int min_size = 1; // value needs at least one digit
int i;
- /* add number of digits needed for absolute value */
+ // 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 min/max value is negative, add one digit for minus sign
if (minmax_value < 0)
min_size++;
while (tag != GDI_END)
{
- switch(tag)
+ switch (tag)
{
+ case GDI_IMAGE_ID:
+ gi->image_id = va_arg(ap, int);
+ break;
+
case GDI_CUSTOM_ID:
gi->custom_id = va_arg(ap, int);
break;
break;
case GDI_X:
- gi->x = va_arg(ap, int);
+ gi->x = gi->orig_x = va_arg(ap, int);
break;
case GDI_Y:
- gi->y = va_arg(ap, int);
+ gi->y = gi->orig_y = va_arg(ap, int);
break;
case GDI_WIDTH:
gi->direct_draw = (boolean)va_arg(ap, int);
break;
+ case GDI_OVERLAY_TOUCH_BUTTON:
+ gi->overlay_touch_button = (boolean)va_arg(ap, int);
+ if (gi->overlay_touch_button)
+ SetGadgetPosition_OverlayTouchButton(gi);
+ break;
+
+ case GDI_CALLBACK_ACTION_ALWAYS:
+ gi->callback_action_always = (boolean)va_arg(ap, int);
+ break;
+
case GDI_CHECKED:
gi->checked = (boolean)va_arg(ap, int);
break;
gi->textinput.value[max_textsize] = '\0';
gi->textinput.cursor_position = strlen(gi->textinput.value);
- /* same tag also used for other gadget definitions */
+ // 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);
gi->textinput.value[max_textsize] = '\0';
strcpy(gi->textinput.last_value, gi->textinput.value);
- /* same tag also used for other gadget definitions */
+ // same tag also used for other gadget definitions
gi->textarea.size = max_textsize;
gi->textarea.value[max_textsize] = '\0';
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_xsize = va_arg(ap, int);
gi->drawing.area_ysize = va_arg(ap, int);
- /* determine dependent values for drawing area gadget, if needed */
+ // determine dependent values for drawing area gadget, if needed
if (gi->drawing.item_xsize != 0 && gi->drawing.item_ysize != 0)
{
gi->width = gi->drawing.area_xsize * gi->drawing.item_xsize;
gi->drawing.item_ysize = gi->height / gi->drawing.area_ysize;
}
- /* same tag also used for other gadget definitions */
+ // same tag also used for other gadget definitions
gi->textarea.xsize = gi->drawing.area_xsize;
gi->textarea.ysize = gi->drawing.area_ysize;
- if (gi->type & GD_TYPE_TEXT_AREA) /* force recalculation */
+ if (gi->type & GD_TYPE_TEXT_AREA) // force recalculation
{
gi->width = 0;
gi->height = 0;
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 */
+ // determine dependent values for drawing area gadget, if needed
if (gi->drawing.area_xsize != 0 && gi->drawing.area_ysize != 0)
{
gi->width = gi->drawing.area_xsize * gi->drawing.item_xsize;
break;
default:
- Error(ERR_EXIT, "HandleGadgetTags(): unknown tag %d", tag);
+ Fail("HandleGadgetTags(): unknown tag %d", tag);
}
- tag = va_arg(ap, int); /* read next tag */
+ 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 (and is no overlay touch button)
+ if ((gi->x < 0 || gi->y < 0) && !gi->overlay_touch_button)
+ gi->deactivated = TRUE;
- /* adjust gadget values in relation to other gadget values */
+ // adjust gadget values in relation to other gadget values
if (gi->type & GD_TYPE_TEXT_INPUT)
{
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 */
+ // expand gadget text input size, if maximal value is too large
if (gi->textinput.size < min_size)
gi->textinput.size = min_size;
}
int border_xsize = gi->border.xsize;
int border_ysize = gi->border.ysize;
int button_size = gi->border.xsize_selectbutton;
- int bottom_screen_border = gfx.sy + gfx.sysize - font_height;
+ int bottom_screen_border = getGadgetScreenBorderBottom();
Bitmap *src_bitmap;
int src_x, src_y;
gi->height = 2 * border_ysize + font_height;
if (gi->selectbox.options == NULL)
- Error(ERR_EXIT, "selectbox gadget incomplete (missing options array)");
+ Fail("selectbox gadget incomplete (missing options array)");
gi->selectbox.num_values = 0;
while (gi->selectbox.options[gi->selectbox.num_values].text != NULL)
gi->selectbox.num_values++;
- /* calculate values for open selectbox */
+ // calculate values for open selectbox
gi->selectbox.width = gi->width;
gi->selectbox.height =
2 * border_ysize + gi->selectbox.num_values * font_height;
src_x += font_width / 2;
src_y += font_height / 2;
- /* there may be esoteric cases with missing or too small font bitmap */
+ // 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 */
+ // always start with closed selectbox
gi->selectbox.open = FALSE;
}
if (gi->width == 0 || gi->height == 0 ||
gs->items_max == 0 || gs->items_visible == 0)
- Error(ERR_EXIT, "scrollbar gadget incomplete (missing tags)");
+ Fail("scrollbar gadget incomplete (missing tags)");
- /* calculate internal scrollbar values */
+ // 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 ?
gs->position_max = gs->size_max - gs->size;
gs->correction = gs->size_max / gs->items_max / 2;
- /* finetuning for maximal right/bottom position */
+ // finetuning for maximal right/bottom position
if (gs->item_position == gs->items_max - gs->items_visible)
gs->position = gs->position_max;
}
int font_height = getFontHeight(font_nr);
int border_xsize = gi->border.xsize;
int border_ysize = gi->border.ysize;
+ int right_screen_border = getGadgetScreenBorderRight();
+ int bottom_screen_border = getGadgetScreenBorderBottom();
if (gi->width == 0 || gi->height == 0)
{
gi->textarea.xsize = (gi->width - 2 * border_xsize) / font_width;
gi->textarea.ysize = (gi->height - 2 * border_ysize) / font_height;
}
+
+ gi->textarea.full_x = gi->x;
+ gi->textarea.full_y = gi->y;
+ gi->textarea.crop_width = gi->width;
+ gi->textarea.crop_height = gi->height;
+ gi->textarea.crop_xsize = gi->textarea.xsize;
+ gi->textarea.crop_ysize = gi->textarea.ysize;
+
+ gi->textarea.cropped = FALSE;
+
+ if (gi->x + gi->width > right_screen_border)
+ {
+ gi->textarea.full_x = MAX(0, right_screen_border - gi->width);
+ gi->textarea.crop_width = right_screen_border - gi->x;
+ gi->textarea.crop_xsize =
+ (gi->textarea.crop_width - 2 * border_xsize) / font_width;
+ gi->textarea.crop_width =
+ 2 * border_xsize + gi->textarea.crop_xsize * font_width;
+
+ gi->textarea.cropped = TRUE;
+ }
+
+ if (gi->y + gi->height > bottom_screen_border)
+ {
+ gi->textarea.full_y = MAX(0, bottom_screen_border - gi->height);
+ gi->textarea.crop_height = bottom_screen_border - gi->y;
+ gi->textarea.crop_ysize =
+ (gi->textarea.crop_height - 2 * border_ysize) / font_height;
+ gi->textarea.crop_height =
+ 2 * border_ysize + gi->textarea.crop_ysize * font_height;
+
+ gi->textarea.cropped = TRUE;
+ }
+
+ // always start with unselected text area (which is potentially cropped)
+ gi->textarea.full_open = FALSE;
}
}
void RedrawGadget(struct GadgetInfo *gi)
{
- if (gi == NULL)
+ if (gi == NULL || gi->deactivated)
return;
if (gi->mapped)
struct GadgetInfo *new_gadget = checked_calloc(sizeof(struct GadgetInfo));
va_list ap;
- /* always start with reliable default values */
+ // always start with reliable default values
new_gadget->id = getNewGadgetID();
+ new_gadget->image_id = -1;
new_gadget->callback_info = default_callback_info;
new_gadget->callback_action = default_callback_action;
new_gadget->active = TRUE;
new_gadget->direct_draw = TRUE;
+ new_gadget->overlay_touch_button = FALSE;
+ new_gadget->overlay_touch_button_alpha = 0;
new_gadget->next = NULL;
HandleGadgetTags(new_gadget, first_tag, ap);
va_end(ap);
- /* insert new gadget into global gadget list */
+ // insert new gadget into global gadget list
if (gadget_list_last_entry)
{
gadget_list_last_entry->next = new_gadget;
if (gi == NULL)
return;
- /* prevent "last_info_gi" from pointing to memory that will be freed */
+ // prevent "last_info_gi" from pointing to memory that will be freed
if (last_info_gi == gi)
last_info_gi = NULL;
gi->textinput.cursor_position = strlen(gi->textinput.value);
}
-/* global pointer to gadget actually in use (when mouse button pressed) */
+// 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 || gi->mapped || GADGET_DEACTIVATED(gi))
+ if (gi == NULL || gi->deactivated || gi->mapped)
+ return;
+
+ // do not map overlay touch buttons if touch screen is not used
+ if (gi->overlay_touch_button && !runtime.uses_touch_device)
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;
}
}
-void UnmapAllGadgets()
+void UnmapAllGadgets(void)
{
MultiMapGadgets(MULTIMAP_ALL | MULTIMAP_UNMAP);
}
-void RemapAllGadgets()
+void RemapAllGadgets(void)
{
MultiMapGadgets(MULTIMAP_ALL | MULTIMAP_REMAP);
}
-boolean anyTextInputGadgetActive()
+boolean anyTextInputGadgetActive(void)
{
return (last_gi && (last_gi->type & GD_TYPE_TEXT_INPUT) && last_gi->mapped);
}
-boolean anyTextAreaGadgetActive()
+boolean anyTextAreaGadgetActive(void)
{
return (last_gi && (last_gi->type & GD_TYPE_TEXT_AREA) && last_gi->mapped);
}
-boolean anySelectboxGadgetActive()
+boolean anySelectboxGadgetActive(void)
{
return (last_gi && (last_gi->type & GD_TYPE_SELECTBOX) && last_gi->mapped);
}
-boolean anyScrollbarGadgetActive()
+boolean anyScrollbarGadgetActive(void)
{
return (last_gi && (last_gi->type & GD_TYPE_SCROLLBAR) && last_gi->mapped);
}
-boolean anyTextGadgetActive()
+boolean anyTextGadgetActive(void)
{
return (anyTextInputGadgetActive() ||
anyTextAreaGadgetActive() ||
void ClickOnGadget(struct GadgetInfo *gi, int button)
{
- if (!gi->mapped)
+ if (gi == NULL || gi->deactivated || !gi->mapped)
return;
- /* simulate releasing mouse button over last gadget, if still pressed */
+ // 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);
+ int x = gi->x;
+ int y = gi->y;
+
+ // set cursor position to the end of the text for text input gadgets
+ if (gi->type & GD_TYPE_TEXT_INPUT)
+ x = gi->x + gi->width - 1;
- /* simulate releasing mouse button over specified gadget */
- HandleGadgets(gi->x, gi->y, 0);
+ // simulate pressing mouse button over specified gadget
+ HandleGadgets(x, y, button);
+
+ // simulate releasing mouse button over specified gadget
+ HandleGadgets(x, y, 0);
}
boolean HandleGadgets(int mx, int my, int button)
{
- static unsigned int pressed_delay = 0;
- static unsigned int pressed_delay_value = GADGET_FRAME_DELAY;
+ static DelayCounter pressed_delay = { 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_released_off_borders;
boolean changed_position = FALSE;
- /* check if there are any gadgets defined */
+ // check if there are any gadgets defined
if (gadget_list_first_entry == NULL)
return FALSE;
- /* simulated release of mouse button over last gadget */
+ // simulated release of mouse button over last gadget
if (mx == -1 && my == -1 && button == 0)
{
mx = last_mx;
my = last_my;
}
- /* check which gadget is under the mouse pointer */
+ // check which gadget is under the mouse pointer
new_gi = getGadgetInfoFromMousePosition(mx, my, button);
- /* check if button state has changed since last invocation */
+ // 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 */
+ // 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;
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 mouse button pressed outside text or selectbox gadget, deactivate it
if (anyTextGadgetActive() &&
(gadget_pressed_off_borders ||
(gadget_pressed_inside_select_line && !mouse_inside_select_area)))
struct GadgetInfo *gi = last_gi;
boolean gadget_changed = ((gi->event_mask & GD_EVENT_TEXT_LEAVING) != 0);
- /* check if text gadget has changed its value */
+ // check if text input gadget has changed its value
if (gi->type & GD_TYPE_TEXT_INPUT)
{
CheckRangeOfNumericInputGadget(gi);
gadget_changed = FALSE;
}
- /* selectbox does not change its value when closed by clicking outside */
+ // check if text area gadget has changed its value
+ if (gi->type & GD_TYPE_TEXT_AREA)
+ {
+ if (!strEqual(gi->textarea.last_value, gi->textarea.value))
+ strcpy(gi->textarea.last_value, gi->textarea.value);
+ else
+ gadget_changed = FALSE;
+ }
+
+ // selectbox does not change its value when closed by clicking outside
if (gi->type & GD_TYPE_SELECTBOX)
gadget_changed = FALSE;
gi->event.type = GD_EVENT_TEXT_LEAVING;
- if (gadget_changed && !(gi->type & GD_TYPE_SELECTBOX))
- gi->callback_action(gi);
+ if (!(gi->type & GD_TYPE_SELECTBOX))
+ DoGadgetCallbackAction(gi, gadget_changed);
last_gi = NULL;
if (gadget_pressed_inside_select_line)
new_gi = NULL;
+
+ StopTextInput();
}
gadget_pressed =
(button != 0 && last_gi != NULL && new_gi == last_gi);
gadget_pressed_delay_reached =
- DelayReached(&pressed_delay, pressed_delay_value);
+ DelayReached(&pressed_delay);
gadget_released = (release_event && last_gi != NULL);
gadget_released_inside = (gadget_released && new_gi == last_gi);
gadget_moving_inside = (gadget_moving && new_gi == last_gi);
gadget_moving_off_borders = (gadget_moving && new_gi != last_gi);
- /* when handling selectbox, set additional state values */
+ // when handling selectbox, set additional state values
if (gadget_released_inside && (last_gi->type & GD_TYPE_SELECTBOX))
gadget_released_inside_select_area = insideSelectboxArea(last_gi, mx, my);
else
gadget_released_inside_select_area = FALSE;
- /* setting state for handling over-large selectbox */
+ // 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 new gadget pressed, store this gadget
if (gadget_pressed)
last_gi = new_gi;
- /* 'gi' is actually handled gadget */
+ // 'gi' is actually handled gadget
gi = last_gi;
- /* if gadget is scrollbar, choose mouse position value */
+ // 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 mouse button released, no gadget needs to be handled anymore
if (gadget_released)
{
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 */
+ !CURRENT_OPTION_SELECTABLE(gi))) // selectbox stays open
{
gi->selectbox.stay_open = TRUE;
pressed_mx = 0;
pressed_my = 0;
}
else if (!(gi->type & GD_TYPE_TEXT_INPUT ||
- gi->type & GD_TYPE_TEXT_AREA)) /* text input stays open */
+ gi->type & GD_TYPE_TEXT_AREA)) // text input stays open
last_gi = NULL;
}
- /* modify event position values even if no gadget is pressed */
+ // modify event position values even if no gadget is pressed
if (button == 0 && !release_event)
gi = new_gi;
- /* if new gadget or if no gadget was pressed, release stopped processing */
+ // 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 was stopped while being handled, stop gadget processing here
if (gadget_stopped)
return TRUE;
{
int last_x = gi->event.x;
int last_y = gi->event.y;
+ int last_mx = gi->event.mx;
+ int last_my = gi->event.my;
- gi->event.x = mx - gi->x;
- gi->event.y = my - gi->y;
+ gi->event.x = gi->event.mx = mx - gi->x;
+ gi->event.y = gi->event.my = my - gi->y;
if (gi->type == GD_TYPE_DRAWING_AREA)
{
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)
+ if (last_x != gi->event.x || last_y != gi->event.y ||
+ ((last_mx != gi->event.mx || last_my != gi->event.my) &&
+ gi->event_mask & GD_EVENT_PIXEL_PRECISE))
changed_position = TRUE;
}
else if (gi->type & GD_TYPE_TEXT_INPUT && button != 0 && !motion_status)
{
int old_cursor_position = gi->textinput.cursor_position;
- /* if mouse button pressed inside activated text gadget, set cursor */
+ // if mouse button pressed inside activated text gadget, set cursor
gi->textinput.cursor_position =
(mx - gi->x - gi->border.xsize) / getFontWidth(gi->font);
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)
{
int old_cursor_position = gi->textarea.cursor_position;
- int x = (mx - gi->x - gi->border.xsize) / getFontWidth(gi->font);
- int y = (my - gi->y - gi->border.ysize) / getFontHeight(gi->font);
+ int gadget_x = mx - gi->textarea.full_x - gi->border.xsize;
+ int gadget_y = my - gi->textarea.full_y - gi->border.ysize;
+ int x = gadget_x / getFontWidth(gi->font);
+ int y = gadget_y / getFontHeight(gi->font);
x = (x < 0 ? 0 : x >= gi->textarea.xsize ? gi->textarea.xsize - 1 : x);
y = (y < 0 ? 0 : y >= gi->textarea.ysize ? gi->textarea.ysize - 1 : y);
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)
{
int old_index = gi->selectbox.current_index;
- /* if mouse moving inside activated selectbox, select value */
+ // if mouse moving inside activated selectbox, select value
if (my >= gi->selectbox.y && my < gi->selectbox.y + gi->selectbox.height)
gi->selectbox.current_index =
(my - gi->selectbox.y - gi->border.ysize) / getFontHeight(gi->font);
}
}
- /* handle gadget popup info text */
+ // handle gadget popup info text
if (last_info_gi != new_gi ||
(new_gi && new_gi->type == GD_TYPE_DRAWING_AREA && changed_position))
{
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);
gadget_draggable = (gi && gi->type & GD_TYPE_SCROLLBAR);
- /* reset drag position for newly pressed scrollbar to "not dragging" */
+ // reset drag position for newly pressed scrollbar to "not dragging"
if (gadget_pressed && gadget_draggable)
gi->scrollbar.drag_position = -1;
gadget_dragging = (gadget_draggable && gi->scrollbar.drag_position != -1);
- /* clicking next to a scrollbar to move it is not considered "moving" */
+ // 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 */
+ // 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 */
+ if (gadget_pressed) // gadget pressed the first time
{
- /* initialize delay counter */
- DelayReached(&pressed_delay, 0);
+ // initialize delay counter
+ ResetDelayCounter(&pressed_delay);
- /* start gadget delay with longer delay after first click on gadget */
- pressed_delay_value = GADGET_FRAME_DELAY_FIRST;
+ // 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 */
+ else // gadget hold pressed for some time
{
- /* after first repeated gadget click, continue with shorter delay value */
- pressed_delay_value = GADGET_FRAME_DELAY;
+ // after first repeated gadget click, continue with shorter delay value
+ pressed_delay.value = GADGET_FRAME_DELAY;
}
if (gi->type & GD_TYPE_SCROLLBAR && !gadget_dragging)
if (IS_WHEEL_BUTTON(button) || !inside_slider)
{
- /* click scrollbar one scrollbar length up/left or down/right */
+ // click scrollbar one scrollbar length up/left or down/right
struct GadgetScrollbar *gs = &gi->scrollbar;
int old_item_position = gs->item_position;
gi->event.type = GD_EVENT_MOVING;
gi->event.off_borders = FALSE;
- if (gi->event_mask & GD_EVENT_MOVING && changed_position)
- gi->callback_action(gi);
+ if (gi->event_mask & GD_EVENT_MOVING)
+ DoGadgetCallbackAction(gi, changed_position);
return TRUE;
}
else
{
- /* don't handle this scrollbar anymore when mouse position reached */
+ // don't handle this scrollbar anymore when mouse position reached
if (gadget_pressed_repeated)
{
gadget_stopped = TRUE;
if (!IS_WHEEL_BUTTON(button) && inside_slider)
{
- /* start dragging scrollbar */
+ // 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 in case of over-large selectbox
keep_selectbox_open = (mouse_inside_select_line &&
mouse_inside_select_area);
}
{
int old_index = gi->selectbox.current_index;
- /* if mouse moving inside activated selectbox, select value */
+ // if mouse moving inside activated selectbox, select value
if (my >= gi->selectbox.y && my < gi->selectbox.y + gi->selectbox.height)
gi->selectbox.current_index =
(my - gi->selectbox.y - gi->border.ysize) / getFontHeight(gi->font);
gs->position = scrollbar_mouse_pos - gs->drag_position;
- /* make sure to always precisely reach end positions when dragging */
+ // make sure to always precisely reach end positions when dragging
if (gs->position <= 0)
{
gs->position = 0;
gi->event.type = GD_EVENT_MOVING;
gi->event.off_borders = gadget_moving_off_borders;
- if (gi->event_mask & GD_EVENT_MOVING && changed_position &&
+ if (gi->event_mask & GD_EVENT_MOVING &&
(gadget_moving_inside || gi->event_mask & GD_EVENT_OFF_BORDERS))
- gi->callback_action(gi);
+ DoGadgetCallbackAction(gi, changed_position);
}
if (gadget_released_inside)
boolean deactivate_gadget = TRUE;
boolean gadget_changed = TRUE;
- if (gi->type & GD_TYPE_SELECTBOX)
+ if (gi->type == GD_TYPE_CHECK_BUTTON_2)
+ {
+ gi->checked = !gi->checked;
+ }
+ else if (gi->type & GD_TYPE_SELECTBOX)
{
if (keep_selectbox_open ||
mouse_released_where_pressed ||
!gadget_released_inside_select_area ||
- !CURRENT_OPTION_SELECTABLE(gi)) /* selectbox stays open */
+ !CURRENT_OPTION_SELECTABLE(gi)) // selectbox stays open
{
deactivate_gadget = FALSE;
gadget_changed = FALSE;
if (deactivate_gadget &&
!(gi->type & GD_TYPE_TEXT_INPUT ||
- gi->type & GD_TYPE_TEXT_AREA)) /* text input stays open */
+ gi->type & GD_TYPE_TEXT_AREA)) // text input stays open
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) && gadget_changed)
- {
- gi->callback_action(gi);
- }
+ if ((gi->event_mask & GD_EVENT_RELEASED))
+ DoGadgetCallbackAction(gi, gadget_changed);
}
if (gadget_released_off_borders)
gi->callback_action(gi);
}
- /* handle gadgets unmapped/mapped between pressing and releasing */
+ // handle gadgets unmapped/mapped between pressing and releasing
if (release_event && !gadget_released && new_gi)
new_gi->state = GD_BUTTON_UNPRESSED;
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);
{
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)
+ {
+ if (anyTextGadgetActive())
+ {
+ boolean gadget_changed = ((gi->event_mask & GD_EVENT_TEXT_LEAVING) != 0);
+
+ // restore previous text (before activating text gadget)
+ if (gi->type & GD_TYPE_TEXT_INPUT)
+ {
+ strcpy(gi->textinput.value, gi->textinput.last_value);
+
+ CheckRangeOfNumericInputGadget(gi);
+ }
+
+ // store current text for text area gadgets when pressing "Escape" key
+ if (gi->type & GD_TYPE_TEXT_AREA)
+ {
+ if (!strEqual(gi->textarea.last_value, gi->textarea.value))
+ strcpy(gi->textarea.last_value, gi->textarea.value);
+ else
+ gadget_changed = FALSE;
+ }
+
+ DrawGadget(gi, DG_UNPRESSED, gi->direct_draw);
+
+ if (gi->type & GD_TYPE_TEXT_AREA)
+ {
+ gi->event.type = GD_EVENT_TEXT_LEAVING;
+
+ DoGadgetCallbackAction(gi, gadget_changed);
+ }
+
+ last_gi = NULL;
+
+ 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)
{
last_gi = NULL;
}
- if (gadget_changed)
- gi->callback_action(gi);
+ DoGadgetCallbackAction(gi, gadget_changed);
}
- else if (gi->type & GD_TYPE_TEXT_INPUT) /* only valid for text input */
+ else if (gi->type & GD_TYPE_TEXT_INPUT) // only valid for text input
{
char text[MAX_GADGET_TEXTSIZE + 1];
int text_length = strlen(gi->textinput.value);
strcpy(text, gi->textinput.value);
strcpy(&gi->textinput.value[cursor_pos], &text[cursor_pos + 1]);
+ DrawGadget(gi, DG_PRESSED, gi->direct_draw);
+ }
+ else if (key == KSYM_Home && cursor_pos > 0)
+ {
+ gi->textinput.cursor_position = 0;
+
+ DrawGadget(gi, DG_PRESSED, gi->direct_draw);
+ }
+ else if (key == KSYM_End && cursor_pos < text_length)
+ {
+ gi->textinput.cursor_position = text_length;
+
DrawGadget(gi, DG_PRESSED, gi->direct_draw);
}
}
- else if (gi->type & GD_TYPE_TEXT_AREA) /* only valid for text area */
+ else if (gi->type & GD_TYPE_TEXT_AREA) // only valid for text area
{
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;
+ int cursor_x = gi->textarea.cursor_x;
int cursor_y = gi->textarea.cursor_y;
int cursor_pos = gi->textarea.cursor_position;
char letter = getCharFromKey(key);
strcpy(text, gi->textarea.value);
strcpy(&gi->textarea.value[cursor_pos], &text[cursor_pos + 1]);
+ DrawGadget(gi, DG_PRESSED, gi->direct_draw);
+ }
+ else if (key == KSYM_Home && cursor_x > 0)
+ {
+ setTextAreaCursorPosition(gi, gi->textarea.cursor_position - cursor_x);
+
+ DrawGadget(gi, DG_PRESSED, gi->direct_draw);
+ }
+ else if (key == KSYM_End && cursor_pos < text_length)
+ {
+ int last_cursor_pos = cursor_pos;
+
+ while (gi->textarea.value[cursor_pos] != '\0' &&
+ gi->textarea.value[cursor_pos] != '\n')
+ cursor_pos++;
+
+ setTextAreaCursorPosition(gi, gi->textarea.cursor_position + cursor_pos -
+ last_cursor_pos);
+
DrawGadget(gi, DG_PRESSED, gi->direct_draw);
}
}
- else if (gi->type & GD_TYPE_SELECTBOX) /* only valid for selectbox */
+ else if (gi->type & GD_TYPE_SELECTBOX) // only valid for selectbox
{
int index = gi->selectbox.current_index;
int num_values = gi->selectbox.num_values;
return TRUE;
}
+
+void DumpGadgetIdentifiers(void)
+{
+ struct GadgetInfo *gi;
+
+ Print("Gadgets on current screen:\n");
+
+ for (gi = gadget_list_first_entry; gi != NULL; gi = gi->next)
+ {
+ if (gi->mapped && gi->image_id != -1)
+ {
+ char *token = getTokenFromImageID(gi->image_id);
+ char *prefix = "gfx.";
+
+ if (strPrefix(token, prefix))
+ token = &token[strlen(prefix)];
+
+ Print("- '%s'\n", token);
+ }
+ }
+
+ Print("Done.\n");
+}
+
+boolean DoGadgetAction(int image_id)
+{
+ struct GadgetInfo *gi;
+
+ for (gi = gadget_list_first_entry; gi != NULL; gi = gi->next)
+ {
+ if (gi->mapped && gi->image_id == image_id)
+ {
+ gi->callback_action(gi);
+
+ return TRUE;
+ }
+ }
+
+ return FALSE;
+}