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campo-sirio/include/controls.cpp

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#define XI_INTERNAL
#include <xinclude.h>
#ifndef STX_DATA
extern "C"
{
#include <xitext.h>
#include <xistx.h>
#include <xiutils.h>
}
#endif
#include <colors.h>
#include <config.h>
#include <controls.h>
#include <image.h>
#include <mask.h>
#include <urldefid.h>
#include <utility.h>
#include <xvtility.h>
#include <statbar.h>
COLOR MASK_BACK_COLOR = XVT_MAKE_COLOR(201,194,188); // COLOR_LTGRAY;
COLOR MASK_LIGHT_COLOR = COLOR_WHITE;
COLOR MASK_DARK_COLOR = COLOR_GRAY;
COLOR BTN_BACK_COLOR = COLOR_LTGRAY;
COLOR BTN_LIGHT_COLOR = COLOR_WHITE;
COLOR BTN_DARK_COLOR = COLOR_GRAY;
COLOR NORMAL_COLOR = COLOR_BLACK;
COLOR NORMAL_BACK_COLOR = COLOR_WHITE;
COLOR PROMPT_COLOR = NORMAL_COLOR;
COLOR DISABLED_COLOR = COLOR_DKGRAY;
COLOR DISABLED_BACK_COLOR = MASK_BACK_COLOR;
COLOR FOCUS_COLOR = NORMAL_COLOR;
COLOR FOCUS_BACK_COLOR = COLOR_YELLOW;
COLOR REQUIRED_BACK_COLOR = XVT_MAKE_COLOR(255,255,156);
COLOR EASY_RIDER_COLOR = XVT_MAKE_COLOR(228,225,221);
bool CAMPI_SCAVATI = true;
bool AUTOSELECT = false;
bool ADVANCED_GRAPHICS = true;
bool AUTOZOOM = false;
bool AUTOEND = false;
bool NATIVE_CONTROLS = false;
int TOOL_SIZE = 24;
bool TOOL_TEXT = true;
bool EASY_RIDER = true;
bool ENTER_AS_TAB = false;
int INTERLINE = 0;
bool ANIMATED_BOXES = false;
HIDDEN bool _ddl_shown = false;
HIDDEN int _last_mouse_button = 0;
HIDDEN const int ITF_CID = 30000;
short low_get_focus_id(WINDOW win)
{
XI_OBJ * itf = xi_get_itf((XinWindow)win);
XI_OBJ * obj = xi_get_focus(itf);
if (obj == NULL || obj->type == XIT_ITF)
return -1;
if (obj->type == XIT_CELL || (obj->type == XIT_BTN && obj->parent != obj->itf))
obj = obj->parent;
return obj->cid;
}
void low_set_focus_id(WINDOW win, short id)
{
XI_OBJ * itf = xi_get_itf((XinWindow)win);
if (id > 0)
{
// TO BE IMPLEMENTED
}
else
xi_set_focus(itf);
}
bool is_full_screen_interface(WINDOW win)
{
XI_OBJ * itf = xi_get_itf((XinWindow)win);
return itf != NULL && (itf->app_data2 & 0x1) != 0;
}
bool set_full_screen_interface(WINDOW win, bool on)
{
XI_OBJ * itf = xi_get_itf((XinWindow)win);
if (itf != NULL)
{
if (on)
itf->app_data2 |= 0x1;
else
itf->app_data2 &= ~0x1;
return true;
}
return false;
}
KEY TControl::xiev_to_key(const XI_EVENT* xiev)
{
const int k = xiev->v.chr.ch;
KEY key = k;
if (key < K_INS || key > K_HELP)
{
if (xiev->v.chr.shift && (k < ' ' || k >= K_UP)) key += K_SHIFT;
//if (xiev->v.chr.control && k >= ' ') key += K_CTRL;
// Correzione per gestire i tasti AltGr sulle tastiere non U.S.A.
if (xiev->v.chr.control && (k > K_SHIFT || (k >= K_F1 && k <= K_F12) || xvt_chr_is_alnum(k) || strchr("\r+-*/",k) != NULL))
key += K_CTRL;
}
return key;
}
// @doc INTERNAL
///////////////////////////////////////////////////////////
// TPicture_array
///////////////////////////////////////////////////////////
class TPicture_array
{
TArray _enabled, _disabled;
public:
bool add(int id);
int add(const char* n);
int add_icon(int id);
const TImage& image(int id) const { return (const TImage&)_enabled[id]; }
const TImage& disabled_image(int id) const { return (const TImage&)_disabled[id]; }
bool exist(int id) const { return _enabled.objptr(id) != NULL; }
void reload();
TPicture_array() {}
virtual ~TPicture_array() {}
};
int TPicture_array::add(const char* n)
{
int id; // calcola il prossimo identificatore di immagine libero
for (id = 30000; _enabled.objptr(id) != NULL; id++);
TImage* i = new TImage(n);
_enabled.add(i, id);
TImage* d = new TImage(*i);
d->fade_to_gray(true);
_disabled.add(d, id);
return id;
}
int TPicture_array::add_icon(int id)
{
const int rid = 50000+id;
TImage* i = (TImage*)_enabled.objptr(rid);
if (i == NULL)
{
TImage* i = new TImage(id, true); // id is an icon identifier!
_enabled.add(i, rid);
TImage* d = new TImage(*i);
d->fade_to_gray(true);
_disabled.add(d, rid);
}
return rid;
}
bool TPicture_array::add(int id)
{
TImage* i = (TImage*)_enabled.objptr(id);
if (i == NULL)
{
i = new TImage(id);
if (i->ok())
{
i->convert_transparent_color(BTN_BACK_COLOR);
_enabled.add(i, id);
TImage* d = new TImage(*i);
d->fade_to_gray(true);
_disabled.add(d, id);
}
else
{
delete i;
i = NULL;
}
}
return i != NULL;
}
void TPicture_array::reload()
{
_disabled.destroy();
for (int id = _enabled.last(); id > 0; id = _enabled.pred(id))
{
_enabled.destroy(id);
add(id);
}
}
///////////////////////////////////////////////////////////
// Utility functions
///////////////////////////////////////////////////////////
HIDDEN TPicture_array* _picture = NULL;
HIDDEN XVT_FNTID DEF_FONT = NULL;
HIDDEN XVT_FNTID FAT_FONT = NULL;
HIDDEN XVT_FNTID BIG_FONT = NULL;
HIDDEN XVT_FNTID BIGFAT_FONT = NULL;
bool is_xvt_font(const char * nome_font)
{
const int max_fonts = 1024;
char * fonts[max_fonts];
const int num_fonts = xvt_fmap_get_families(NULL, fonts, max_fonts);
bool found = false;
for (int i = num_fonts-1; i >= 0; i--)
{
if (!found && xvt_str_same(fonts[i], nome_font))
found = true;
xvt_mem_free(fonts[i]);
}
return found;
}
XVT_FNTID xvtil_default_font(bool bold, bool big)
{
if (DEF_FONT == NULL)
{
DEF_FONT = xvt_dwin_get_font(TASK_WIN);
TConfig font(CONFIG_GUI, "Colors");
TString font_ser_desc = font.get("FontDesc"); // Modernamente e' nel paragrafo Colors
INTERLINE = font.get_int("InterLine", NULL, -1, -1);
if (font_ser_desc.empty())
{
const char* name = "Verdana";
font_ser_desc.format("01\\%s\\0\\8\\WIN01/8/0/0/0/400/0/0/0/0/1/2/1/49/%s", name, name);
font.set("FontDesc", font_ser_desc, "Colors", true); // Salva definitivamente il font
}
xvt_font_deserialize(DEF_FONT, font_ser_desc);
xvt_font_map_using_default(DEF_FONT);
CHECK(xvt_font_is_mapped(DEF_FONT), "Can't map native font");
xvt_dwin_set_font(TASK_WIN, DEF_FONT);
xi_set_font_id(DEF_FONT);
xi_init_sysvals(); // Ricalcola i FU units
CHARX = xi_get_fu_width(NULL);
CHARY = xi_get_fu_height(NULL);
// Compute suitable text size
if (xvt_sys_is_pda()) // Schermo piccolo da terminalino
{
ROWY = CHARY;
}
else
{
//calcolo interlinea se non specificata dall'utente
if (INTERLINE < 0) //interlinea automatica
{
const PNT pnt = xvtil_taskwin_size();
ROWY = max(CHARY, pnt.v/MAX_MASK_ROWS);
}
else
ROWY = CHARY + INTERLINE;
}
XI_PNT fu = { ROWY, CHARX };
xi_pu_to_fu(NULL, &fu, 1);
xi_fu_to_pu(NULL, &fu, 1);
CHARX = fu.h;
ROWY = fu.v;
xvt_menu_set_font_sel(TASK_WIN, DEF_FONT);
FAT_FONT = xvt_font_create();
xvt_font_copy(FAT_FONT, DEF_FONT, XVT_FA_ALL);
xvt_font_set_style(FAT_FONT, XVT_FS_BOLD);
xvt_font_map_using_default(FAT_FONT);
CHECK(xvt_font_is_mapped(FAT_FONT), "Can't map native font");
BIG_FONT = xvt_font_create();
xvt_font_copy(BIG_FONT, DEF_FONT, XVT_FA_ALL);
xvt_font_set_size(BIG_FONT, xvt_font_get_size(DEF_FONT) * 2);
xvt_font_map_using_default(BIG_FONT);
CHECK(xvt_font_is_mapped(BIG_FONT), "Can't map native font");
BIGFAT_FONT = xvt_font_create();
xvt_font_copy(BIGFAT_FONT, FAT_FONT, XVT_FA_ALL);
xvt_font_set_size(BIGFAT_FONT, xvt_font_get_size(FAT_FONT) * 2);
xvt_font_map_using_default(BIGFAT_FONT);
CHECK(xvt_font_is_mapped(BIGFAT_FONT), "Can't map native font");
}
XVT_FNTID f = NULL;
if (bold)
f = big ? BIGFAT_FONT : FAT_FONT;
else
f = big ? BIG_FONT : DEF_FONT;
return f;
}
XVT_FNTID xvtil_load_default_font()
{
if (DEF_FONT)
{
xvt_font_destroy(DEF_FONT);
DEF_FONT = NULL;
}
if (FAT_FONT)
{
xvt_font_destroy(FAT_FONT);
FAT_FONT = NULL;
}
if (BIG_FONT)
{
xvt_font_destroy(BIG_FONT);
BIG_FONT = NULL;
}
if (BIGFAT_FONT)
{
xvt_font_destroy(BIGFAT_FONT);
BIGFAT_FONT = NULL;
}
XVT_FNTID font = xvtil_default_font();
statbar_set_fontid(TASK_WIN, font);
return font;
}
#define XI_INVALID_BITMAP ((XI_BITMAP*)-1)
struct RGB_struct { unsigned long r,g,b; };
HIDDEN void RGB_mean(short x, short y, unsigned char* rgba, void* jolly)
{
RGB_struct* s = (RGB_struct*)jolly;
s->r += *(rgba+0);
s->g += *(rgba+1);
s->b += *(rgba+2);
}
HIDDEN XI_BITMAP* get_background_bitmap(bool reload)
{
static XI_BITMAP* bmp = XI_INVALID_BITMAP;
if (reload || bmp == XI_INVALID_BITMAP)
{
if (bmp != NULL && bmp != XI_INVALID_BITMAP)
xi_bitmap_destroy(bmp);
bmp = NULL;
if (ADVANCED_GRAPHICS && !xi_get_pref(XI_PREF_NATIVE_CTRLS))
{
TFilename back = ini_get_string(CONFIG_GUI, "Colors", "Tile");
if (back.custom_path())
{
bmp = xi_bitmap_create(back.get_buffer(), XI_BITMAP_TILE);
if (bmp != NULL)
{
XVT_IMAGE img = (XVT_IMAGE)bmp->xin_bitmap->x;
short w, h; xvt_image_get_dimensions(img, &w, &h);
// Calcola colore medio della tile
RGB_struct rgb; rgb.r = rgb.g = rgb.b = 0;
xvt_image_filter(img, RGB_mean, &rgb);
int den = w; den *= h;
const int r = rgb.r / den;
const int g = rgb.g / den;
const int b = rgb.b / den;
MASK_BACK_COLOR = XVT_MAKE_COLOR(r, g, b); // Mean texture color
MASK_LIGHT_COLOR = modulate_color(MASK_BACK_COLOR, +0.2);
MASK_DARK_COLOR = modulate_color(MASK_BACK_COLOR, -0.2);
DISABLED_BACK_COLOR = MASK_BACK_COLOR;
if (h > 640)
{
bmp->mode = XI_BITMAP_NORMAL;
bmp->hcenter = bmp->vcenter = TRUE;
bmp->background = MASK_BACK_COLOR;
}
}
}
}
}
return bmp;
}
XVT_IMAGE get_background_texture()
{
XVT_IMAGE img = NULL;
XI_BITMAP* bmp = get_background_bitmap(false);
if (bmp != NULL)
img = (XVT_IMAGE)bmp->xin_bitmap->x;
return img;
}
static byte event_map[XIE_LAST_EVENT];
enum event_action { a_ignore, a_xvt, a_xvt_post, a_obj, a_child, a_update, a_select, a_post, a_debug };
// @func Permette di aggiornare i colori attivi del programma
void customize_colors()
// @comm Legge dal file di configurazione i colori scelti dall'utente e
// ne setta le variabili in modo da poter personalizzare i colori
//
// @xref <c TConfig>
{
TConfig colors(CONFIG_GUI, "Colors");
MASK_BACK_COLOR = colors.get_color("MaskBack", NULL, -1, MASK_BACK_COLOR);
MASK_LIGHT_COLOR = colors.get_color("MaskLight", NULL, -1, MASK_LIGHT_COLOR);
MASK_DARK_COLOR = colors.get_color("MaskDark", NULL, -1, MASK_DARK_COLOR);
NORMAL_COLOR = colors.get_color("Normal", NULL, -1, NORMAL_COLOR);
NORMAL_BACK_COLOR = colors.get_color("NormalBack", NULL, -1, NORMAL_BACK_COLOR);
PROMPT_COLOR = colors.get_color("Prompt", NULL, -1, PROMPT_COLOR);
REQUIRED_BACK_COLOR = colors.get_color("RequiredBack", NULL, -1, REQUIRED_BACK_COLOR);
DISABLED_COLOR = colors.get_color("Disabled", NULL, -1, DISABLED_COLOR);
DISABLED_BACK_COLOR = colors.get_color("DisabledBack", NULL, -1, DISABLED_BACK_COLOR);
FOCUS_COLOR = colors.get_color("Focus", NULL, -1, FOCUS_COLOR);
FOCUS_BACK_COLOR = colors.get_color("FocusBack", NULL, -1, FOCUS_BACK_COLOR);
CAMPI_SCAVATI = colors.get_bool("Campi3D", NULL, -1, CAMPI_SCAVATI);
AUTOSELECT = colors.get_bool("AutoSelect", NULL, -1, AUTOSELECT);
AUTOZOOM = colors.get_bool("AutoZoom", NULL, -1, AUTOZOOM);
ADVANCED_GRAPHICS = colors.get_bool("AdvancedGraphics", NULL, -1, ADVANCED_GRAPHICS);
EASY_RIDER = colors.get_bool("EasyRider", NULL, -1, EASY_RIDER);
EASY_RIDER_COLOR = blend_colors(NORMAL_BACK_COLOR, DISABLED_BACK_COLOR, 0.5);
NATIVE_CONTROLS = colors.get_bool("NativeControls", NULL, -1, NATIVE_CONTROLS);
xi_set_pref(XI_PREF_NATIVE_CTRLS, ADVANCED_GRAPHICS && NATIVE_CONTROLS);
ENTER_AS_TAB = colors.get_bool("EnterAsTab", NULL, -1, ENTER_AS_TAB);
ANIMATED_BOXES = is_power_reseller() && colors.get_bool("AnimatedBoxes", NULL, -1, ANIMATED_BOXES);
TOOL_SIZE = colors.get_int("ToolSize", NULL, -1, TOOL_SIZE);
TOOL_TEXT = colors.get_bool("ToolText", NULL, -1, TOOL_TEXT);
get_background_bitmap(true); // Reload background bitmap
const int SPEECH_MODE = is_power_reseller() ? colors.get_int("SpeechMode", NULL, -1, 0) : 0;
xvt_vobj_set_attr(NULL_WIN, ATTR_SPEECH_MODE, SPEECH_MODE);
xi_set_pref(XI_PREF_COLOR_LIGHT, MASK_LIGHT_COLOR);
xi_set_pref(XI_PREF_COLOR_CTRL, MASK_BACK_COLOR);
xi_set_pref(XI_PREF_COLOR_DARK, MASK_DARK_COLOR);
xi_set_pref(XI_PREF_COLOR_DISABLED, DISABLED_COLOR);
XVT_COLOR_COMPONENT xcc[8]; memset(xcc, 0, sizeof(xcc));
xcc[0].type = XVT_COLOR_BACKGROUND; xcc[0].color = NORMAL_BACK_COLOR;
xcc[1].type = XVT_COLOR_FOREGROUND; xcc[1].color = NORMAL_COLOR;
xcc[2].type = XVT_COLOR_HIGHLIGHT; xcc[2].color = FOCUS_COLOR;
xcc[3].type = XVT_COLOR_SELECT; xcc[3].color = FOCUS_BACK_COLOR;
xvt_vobj_set_attr(TASK_WIN, ATTR_APP_CTL_COLORS, (long)xcc);
BTN_BACK_COLOR = colors.get_color("ButtonBack", NULL, -1, BTN_BACK_COLOR);
aga_set_pref(AGA_PREF_BTN_COLOR_CTRL, BTN_BACK_COLOR);
BTN_LIGHT_COLOR = colors.get_color("ButtonLight", NULL, -1, BTN_LIGHT_COLOR);
aga_set_pref(AGA_PREF_BTN_COLOR_LIGHT, BTN_LIGHT_COLOR);
BTN_DARK_COLOR = colors.get_color("ButtonDark", NULL, -1, BTN_DARK_COLOR);
aga_set_pref(AGA_PREF_BTN_COLOR_DARK, BTN_DARK_COLOR);
aga_set_pref(AGA_PREF_BTN_COLOR_TEXT, PROMPT_COLOR);
if (_picture)
_picture->reload();
xvtil_load_default_font(); // Aggiorna anche il font!
}
static bool campi_scavati() { return CAMPI_SCAVATI && ADVANCED_GRAPHICS; }
void init_controls()
{
xi_set_font_id(xvtil_load_default_font());
xi_set_pref(XI_PREF_NATIVE_CTRLS, NATIVE_CONTROLS && ADVANCED_GRAPHICS);
xi_set_pref(XI_PREF_3D_LOOK, campi_scavati());
xi_set_pref(XI_PREF_CARET_WIDTH, 2);
xi_set_pref(XI_PREF_COMBO_ICON, ICO_COMBO);
xi_set_pref(XI_PREF_OPTIMIZE_CELL_REQUESTS, TRUE);
xi_init();
memset(event_map, a_ignore, sizeof(event_map));
event_map[XIE_CHAR_FIELD] = a_obj;
event_map[XIE_DBL_FIELD] = a_obj;
event_map[XIE_CHG_FIELD] = a_obj;
event_map[XIE_OFF_FIELD] = a_obj;
event_map[XIE_ON_FIELD] = a_obj;
event_map[XIE_OFF_GROUP] = a_ignore;
event_map[XIE_ON_GROUP] = a_ignore;
event_map[XIE_OFF_FORM] = a_ignore;
event_map[XIE_ON_FORM] = a_ignore;
event_map[XIE_VIR_PAN] = a_ignore;
event_map[XIE_XVT_EVENT] = a_xvt;
event_map[XIE_XVT_POST_EVENT] = a_xvt_post;
event_map[XIE_INIT] = a_ignore;
event_map[XIE_BUTTON] = a_obj;
event_map[XIE_CHAR_CELL] = a_child;
event_map[XIE_CLEANUP] = a_ignore;
event_map[XIE_CLOSE] = a_ignore;
event_map[XIE_COMMAND] = a_ignore;
event_map[XIE_DBL_CELL] = a_child;
event_map[XIE_GET_FIRST] = a_obj;
event_map[XIE_GET_LAST] = a_obj;
event_map[XIE_GET_NEXT] = a_obj;
event_map[XIE_GET_PERCENT] = a_obj;
event_map[XIE_GET_PREV] = a_obj;
event_map[XIE_CELL_REQUEST] = a_obj;
event_map[XIE_CHG_CELL] = a_child;
event_map[XIE_OFF_CELL] = a_child;
event_map[XIE_ON_CELL] = a_child;
event_map[XIE_OFF_ROW] = a_child;
event_map[XIE_ON_ROW] = a_child;
event_map[XIE_OFF_COLUMN] = a_ignore;
event_map[XIE_ON_COLUMN] = a_ignore;
event_map[XIE_OFF_LIST] = a_obj;
event_map[XIE_ON_LIST] = a_obj;
event_map[XIE_REC_ALLOCATE] = a_ignore;
event_map[XIE_REC_FREE] = a_ignore;
event_map[XIE_ROW_SIZE] = a_ignore;
event_map[XIE_SELECT] = a_select;
event_map[XIE_UPDATE] = a_update;
event_map[XIE_COL_DELETE] = a_ignore;
event_map[XIE_COL_MOVE] = a_obj;
event_map[XIE_COL_SIZE] = a_obj;
event_map[XIE_POST_NAVIGATION]= a_post;
if (_picture == NULL)
_picture = new TPicture_array;
}
void free_controls()
{
if (_picture)
{
delete _picture;
_picture = NULL;
}
if (DEF_FONT)
{
xvt_font_destroy(DEF_FONT);
DEF_FONT = NULL;
}
if (FAT_FONT)
{
xvt_font_destroy(FAT_FONT);
FAT_FONT = NULL;
}
if (BIG_FONT)
{
xvt_font_destroy(BIG_FONT);
BIG_FONT = NULL;
}
}
bool has_virtual_keyboard()
{
static bool hvk = ini_get_bool(CONFIG_INSTALL, "Main", "VirtualKeyboard");
return hvk;
}
///////////////////////////////////////////////////////////
// Interface creation
///////////////////////////////////////////////////////////
HIDDEN void xi_event_handler(XI_OBJ *itf, XI_EVENT *xiev);
WINDOW create_interface(WINDOW parent, short x, short y, short dx, short dy,
const char* caption, TWindow* msk)
{
if (parent == NULL_WIN)
parent = TASK_WIN;
short left = x * CHARX;
short top = y * ROWY;
short width = dx * CHARX + (dx > 0 ? CHARX : 0);
short height = dy * ROWY + (dy > 0 ? ROWY : 0);
if (x <= 0 || y <= 0 || dx <= 0 || dy <= 0)
{
RCT max_rct; xvt_vobj_get_client_rect(parent, &max_rct);
if (dy <= 0)
{
// Gestisce centrature e caso particolare di bottombar di una riga
if (y < -1 || (y == -1 && (dy == 0 || dy == 1)))
{
height = -top;
top += max_rct.bottom;
y = (max_rct.bottom-height)/ROWY; // MAX_MASK_ROWS - height/ROWY;
}
else
height = max_rct.bottom - top + dy * ROWY;
}
if (dx <= 0)
{
width = max_rct.right + dx * CHARX;
if (left > 0)
width -= left;
}
if (x < 0 && dx != 0) left = (max_rct.right - width) / 2;
if (y < 0 && dy != 0) top = (max_rct.bottom - height) / 2;
}
RCT r; xvt_rect_set(&r, left, top, left+width, top+height);
const WIN_TYPE wt = (dx == 0) ? W_PLAIN : W_DOC;
long wsf = WSF_INVISIBLE | WSF_NO_MENUBAR;
WINDOW win = xvt_win_create(wt, &r, caption, 0L, parent, wsf,
EM_ALL, (EVENT_HANDLER)xi_event, (long)msk);
CHECK(win, "Can't create an XVT window for an interface");
xvtil_set_font(win, NULL, 0, 0);
XI_RCT xrct; xrct = (XI_RCT&)r; xi_pu_to_fu(NULL, (XI_PNT*)&xrct, 2);
XI_OBJ_DEF* def = xi_create_itf_def(ITF_CID, xi_event_handler, &xrct, (char*)caption, (long)msk);
CHECK(def, "Can't define an interface");
def->v.itf->automatic_back_color = false;
def->v.itf->back_color = MASK_BACK_COLOR;
def->v.itf->font_id = xvtil_default_font();
def->v.itf->tab_on_enter = true;
def->v.itf->win = (XinWindow)win;
def->v.itf->edit_menu = true; // Update edit menu items
def->v.itf->menu_win = (XinWindow)TASK_WIN; // Window that owns the menu
XI_BITMAP* bmpback = get_background_bitmap(false);
if (bmpback != NULL)
{
def->v.itf->back_color = 0;
def->v.itf->bitmap = bmpback;
}
XI_OBJ* itf = xi_create(NULL, def);
CHECK(itf, "Can't create an interface");
xi_dequeue();
xi_tree_free(def);
if (dx > 0 && dy > 0)
{
xi_pu_to_fu(itf, (XI_PNT*)&r, 2);
r.right = r.left + (dx+1) * XI_FU_MULTIPLE;
r.bottom = r.top + (dy+1) * XI_FU_MULTIPLE;
xi_fu_to_pu(itf, (XI_PNT*)&r, 2);
xvt_vobj_move(win, &r); // Forza dimensioni corrette client area
}
return win;
}
void attach_interface(WINDOW win, COLOR back)
{
xvt_win_set_handler(win, (EVENT_HANDLER)xi_event);
RCT rc; xvt_vobj_get_outer_rect(win, &rc);
char caption[128]; xvt_vobj_get_title(win, caption, 128);
TWindow* parent = (TWindow*)xvt_vobj_get_data(win);
XI_OBJ_DEF* def = xi_create_itf_def(ITF_CID, xi_event_handler, (XI_RCT*)&rc, caption, (long)parent);
CHECK(def, "Can't define an interface");
def->v.itf->automatic_back_color = (back == 0);
if (back)
def->v.itf->back_color = back;
def->v.itf->tab_on_enter = true;
def->v.itf->win = (XinWindow)win;
if (ADVANCED_GRAPHICS && same_color(back, MASK_BACK_COLOR))
{
XI_BITMAP* bmpback = get_background_bitmap(false);
if (bmpback != NULL)
{
def->v.itf->automatic_back_color = false;
def->v.itf->back_color = 0;
def->v.itf->bitmap = bmpback;
}
}
XI_OBJ* itf = xi_create(NULL, def);
CHECK(itf, "Can't create an interface");
xi_dequeue();
xi_tree_free(def);
}
HIDDEN void xi_event_handler(XI_OBJ* itf, XI_EVENT* xiev)
{
static bool notify_xvt = true;
TControl* ctl = NULL;
switch (event_map[xiev->type])
{
case a_obj:
if (xiev->v.xi_obj)
ctl = (TControl*)xi_get_app_data(xiev->v.xi_obj);
break;
case a_child:
ctl = (TControl*)xi_get_app_data(xiev->v.xi_obj->parent);
break;
case a_update:
{
int num;
XI_OBJ** button = xi_get_member_list(itf, &num);
for (int i = num-1; i >= 0; i--)
{
XI_OBJ* b = button[i];
if (b->type == XIT_BTN && b->v.btn->drawable)
{
if (xvt_rect_intersect(NULL, (RCT*)&b->v.btn->rct, &xiev->v.xvte.v.update.rct))
{
TPushbutton_control* p = (TPushbutton_control*)b->app_data;
p->update();
}
}
}
}
break;
case a_select:
switch(xiev->v.xi_obj->type)
{
case XIT_LIST: ctl = (TControl*)xi_get_app_data(xiev->v.xi_obj); break;
case XIT_ROW :
case XIT_CELL: ctl = (TControl*)xi_get_app_data(xiev->v.xi_obj->parent); break;
default : break;
}
break;
case a_xvt:
switch (xiev->v.xvte.type)
{
case E_MOUSE_DOWN:
_last_mouse_button = xiev->v.xvte.v.mouse.button;
break;
case E_CHAR:
{
XI_OBJ* fo = xi_get_focus(itf);
if (fo != NULL && fo->type == XIT_CELL)
ctl = (TControl*)xi_get_app_data(fo->parent);
}
break;
default:
break;
}
break;
case a_xvt_post:
if (notify_xvt && xiev->v.xvte.type != 0)
{
TWindow* w = (TWindow*)xi_get_app_data(itf);
WINDOW win = NULL_WIN;
if (w != NULL)
{
if (w->is_kind_of(CLASS_MASK))
win = ((TMask*)w)->curr_win();
else
win = w->win();
}
if (win != NULL_WIN)
{
switch (xiev->v.xvte.type)
{
case E_CONTROL:
switch (xiev->v.xvte.v.ctl.ci.type)
{
case WC_PUSHBUTTON:
case WC_RADIOBUTTON:
case WC_CHECKBOX:
break; // Ignora i bottoni altrimenti li preme due volte se nativi
default:
w->handler(win, &xiev->v.xvte);
break;
}
break;
default:
w->handler(win, &xiev->v.xvte);
break;
}
}
}
else
notify_xvt = true;
break;
case a_post:
{
XI_OBJ * obj = xi_get_focus(itf);
if ((obj != NULL && obj->type != XIT_ITF))
{
if ((obj->type == XIT_CELL || (obj->type == XIT_BTN && obj->v.btn->type == XIBT_RADIOBTN)))
obj = obj->parent;
CHECK(obj != NULL, "Unexpected null obj");
ctl = (TControl*)xi_get_app_data(obj);
}
}
break;
case a_debug:
break; // Put your breakpoint here
default:
break;
}
if (ctl != NULL)
{
const bool ok = ctl->event_handler(itf, xiev);
if (!ok)
{
xiev->refused = true;
if (xiev->type == XIE_CHAR_FIELD || xiev->type == XIE_CHAR_CELL ||
xiev->type == XIE_XVT_EVENT || xiev->type == XIE_BUTTON)
notify_xvt = false;
}
}
}
///////////////////////////////////////////////////////////
// TControl
///////////////////////////////////////////////////////////
TControl::TControl()
: _obj(NULL), _fld(NULL)
{}
// Virtual destructor needed to make derived descrutors live!
TControl::~TControl()
{}
XI_OBJ* TControl::get_interface(WINDOW win) const
{
XI_OBJ* itf;
if (win == NULL_WIN)
{
CHECK(_obj, "Can't get the interface from NULL XI object");
itf = _obj->itf;
}
else
{
itf = xi_get_itf((XinWindow)win);
CHECK(itf, "Can't get the interface from a window");
}
return itf;
}
void TControl::set_tab_cid(XI_OBJ* obj, short cid) const
{
CHECK(obj, "Can't set tab cid to null control");
switch(obj->type)
{
case XIT_BTN:
obj->v.btn->tab_cid = cid;
break;
case XIT_CONTAINER:
obj->v.container->tab_cid = cid;
break;
case XIT_FIELD:
obj->v.field->tab_cid = cid;
break;
case XIT_FORM:
obj->v.form->tab_cid = cid;
break;
case XIT_LIST:
obj->v.list->tab_cid = cid;
break;
case XIT_COLUMN:
obj->parent->v.list->tab_cid = cid;
break;
default:
NFCHECK(0, "Can't set tab_cid to a static control: ", _obj->cid); break;
}
}
HIDDEN bool is_container(const XI_OBJ* obj)
{
return obj->type == XIT_CONTAINER || obj->type == XIT_FORM || obj->type == XIT_GROUP;
}
XI_OBJ* TControl::find_operable(XI_OBJ* container, bool forward, bool normal) const
{
int num;
XI_OBJ** child = xi_get_member_list(container, &num);
CHECK(num > 0, "Container too empty");
const int first = forward ? 0 : num-2;
const int last = forward ? num-1 : -1;
const int delta = forward ? +1 : -1;
XI_OBJ* found = NULL;
for (int c = first; c != last && found == NULL; c += delta)
{
XI_OBJ* obj = child[c];
switch (obj->type)
{
case XIT_BTN:
if (obj->v.btn->type == XIBT_BUTTON_CHECKBOX)
break;
case XIT_LIST:
case XIT_FIELD:
if (normal && obj->cid > 0)
found = obj;
break;
case XIT_CONTAINER:
case XIT_FORM:
case XIT_GROUP:
if (obj->cid > 0)
{
if (normal)
{
int num;
XI_OBJ** child = xi_get_member_list(obj, &num);
found = forward ? child[0] : child[num-1];
}
else
found = obj;
}
break;
default:
break;
}
}
if (found == NULL)
{
found = child[num-1];
if (is_container(found) && normal)
{
int num;
XI_OBJ** child = xi_get_member_list(found, &num);
found = forward ? child[0] : child[num-1];
}
}
return found;
}
void TControl::update_tab_cid()
{
const bool is_cont = is_container(_obj);
XI_OBJ *first = find_operable(_obj->itf, true, !is_cont);
set_tab_cid(_obj, first->cid);
XI_OBJ *last = find_operable(_obj->itf, false, !is_cont);
set_tab_cid(last, _obj->cid);
if (is_cont)
{
XI_OBJ* fi = find_operable(_obj->itf, true, true);
XI_OBJ* la = find_operable(_obj->itf, false, true);
int num;
XI_OBJ** child = xi_get_member_list(_obj, &num);
set_tab_cid(child[num-1], fi->cid);
set_tab_cid(la, child[0]->cid);
} else
if (_obj->parent != _obj->itf)
{
XI_OBJ* fi = find_operable(_obj->itf, true, false);
XI_OBJ* la = find_operable(_obj->itf, false, false);
set_tab_cid(_obj->parent, fi->cid);
set_tab_cid(la, _obj->parent->cid);
}
}
XI_RCT TControl::coord2rct(XI_OBJ* itf, short x, short y, short dx, short dy) const
{
// Spazio da lasciare prima di toccare i bordi
const int X_DELTA = CHARX / 4;
const int Y_DELTA = CHARY / 8;
XI_RCT rct;
RCT max_rct; xvt_vobj_get_client_rect((WINDOW)xi_get_window(itf), &max_rct);
const short MAXX = max_rct.right;
const short MAXY = max_rct.bottom;
int width = CHARX;
if (dx > 0)
width = dx * CHARX;
int height = CHARY;
if (dy > 1)
height += (dy-1) * ROWY;
if (x < 0)
{
x = -x;
if (x > 10)
{
const int num = x / 10 -1;
const int tot = x % 10;
const int spc = (MAXX - tot*width) / (tot+1);
rct.left = spc + num * (spc+width);
}
else
rct.left = MAXX - width - x * CHARX - X_DELTA;
}
else
{
rct.left = x * CHARX + X_DELTA;
if (dx > 0 && MAXX > 80 * CHARX)
{
if (itf->app_data2 & 0x1) // Full screen
{
// Don't offset fields
}
else
{
rct.left += (MAXX - 80 * CHARX) / 2; // Normal flow
}
}
}
if (y < 0)
{
y = -y;
if (y > 10)
{
const int num = y / 10 -1;
const int tot = y % 10;
const int spc = (MAXY - tot*height) / (tot+1);
rct.top = spc + num * (spc+height);
}
else
rct.top = MAXY - height - (y-1) * ROWY - Y_DELTA;
}
else
rct.top = y * ROWY + Y_DELTA;
if (dx > 0)
rct.right = rct.left + width;
else
rct.right = MAXX + (dx-1) * CHARX - X_DELTA;
if (dy > 0)
rct.bottom = rct.top + height;
else
rct.bottom = MAXY + dy * ROWY - Y_DELTA;
xi_pu_to_fu(itf, (XI_PNT*)&rct, 2);
return rct;
}
short TControl::id() const
{ return _obj->cid; }
int TControl::type() const
{ return _obj->type; }
RCT& TControl::get_rect(RCT& r) const
{
xi_get_rect(_obj, (XI_RCT*) &r);
return r;
}
void TControl::set_rect(const RCT& r)
{
xi_set_rect(_obj, (XI_RCT*)&r, false);
if ( _obj->type == XIT_BTN )
{
// Dovevano pensarci quelli di XI, ma sono morti!
if (xi_get_native_controls(_obj))
xvt_vobj_move((WINDOW)_obj->v.btn->btnctl, &r);
}
}
void TControl::set_rect(short cx, short cy, short cwidth, short cheight, short clen)
{
XI_RCT rct = coord2rct(_obj->itf, cx, cy, cwidth + 1, cheight);
xi_fu_to_pu(_obj->itf, (XI_PNT*)&rct, 2);
set_rect((const RCT &)rct);
if ( _obj->type == XIT_FIELD)
{
if (_obj->v.field->button)
{
const short delta = _obj->v.field->btn_rct.left - (_obj->v.field->rct.right + CAMPI_SCAVATI);
_obj->v.field->btn_rct.left -= delta;
_obj->v.field->btn_rct.right -= delta;
}
if (clen > 0)
(( STX_DATA * ) _obj->v.field->stx)->text_size = clen + 1;
}
}
unsigned long TControl::flags2attr(const char* flags) const
{
unsigned long attrib = XI_ATR_VISIBLE | XI_ATR_ENABLED;
for (const char* f = flags; *f; f++)
{
switch(toupper(*f))
{
case '*': attrib |= XI_ATR_PASSWORD; break;
case 'C': attrib |= XI_ATR_HCENTER; break;
case 'D': attrib &= ~XI_ATR_ENABLED; break;
case 'H': attrib &= ~XI_ATR_VISIBLE; break;
case 'L': attrib |= XI_ATR_READONLY; break;
case 'R': attrib |= XI_ATR_RJUST; break;
default : break;
}
}
return attrib;
}
const char* TControl::parse_caption(const char* cap, bool& bold, bool& big, COLOR& color) const
{
bold = false;
big = false;
color = PROMPT_COLOR;
const char* t;
for (t = cap; *t == '@' || *t == '$'; t++)
{
if (*t == '@')
{
const char code = toupper(*(t+1));
if (code == 'B')
{
bold = true;
t++;
}
else
if (code == 'G')
{
big = true;
t++;
}
else
{
NFCHECK("Bad character (%c) after @ in %s", code, cap);
break;
}
}
else
{
if (*(t+1) == '[')
{
t += 2; // Skip [
if (isalpha(*t))
color = trans_color(*t);
else
{
int r = 0, g = 0, b = 0;
if (sscanf(t, "%d,%d,%d", &r, &g, &b) == 3)
color = XVT_MAKE_COLOR(r, g, b);
}
while (*t && *t != ']') t++;
}
else
{
NFCHECK(0, "Bad character after $ in prompt");
break;
}
}
}
return t;
}
WINDOW TControl::parent() const
{
return (WINDOW)xi_get_window(_obj->itf);
}
void TControl::set_focus() const
{
xi_set_focus(_obj);
}
bool TControl::notify_key(KEY k)
{
bool ok = true;
if (_fld == NULL)
{
TWindow* msk = (TWindow*)xi_get_app_data(get_interface());
CHECK(msk, "Can't get TMask from XI interface");
if (msk->is_kind_of(CLASS_MASK))
{
const TMask& m = (TMask&)*msk;
const int pos = m.id2pos(id());
if (pos >= 0)
_fld = &m.fld(pos);
}
}
if (_fld)
ok = _fld->on_key(k);
return ok;
}
bool TControl::is_edit_key(KEY k) const
{
return k >= ' ' && k < 255 && k != K_DEL;
}
bool TControl::event_handler(XI_OBJ* itf, XI_EVENT* xiev)
{
return true;
}
void TControl::change_attrib(unsigned long mask, bool on, XI_OBJ* obj)
{
if (obj == NULL) obj = _obj;
const unsigned long old_attr = xi_get_attrib(obj);
unsigned long attr = old_attr;
if (on) attr |= mask;
else attr &= ~mask;
if (attr != old_attr) // C'e' un vero cambiamento d'attributo
xi_set_attrib(obj, attr);
}
// @doc INTERNAL
// @mfunc Mostra/Nasconde il controllo
void TControl::show(
bool on) // @parm Operazione da svolgere sul controllo:
// @flag true | Il controllo viene mostrato
// @flag false | Il controllo viene nascosto
{
change_attrib(XI_ATR_VISIBLE, on);
}
// @doc INTERNAL
// @mfunc Abilita/disabilita il controllo
void TControl::enable(
bool on) // @parm Operazione da svolgere sul controllo:
// @flag true | Il controllo viene abilitato
// @flag false | Il controllo viene disabilitato
{
change_attrib(XI_ATR_ENABLED, on);
}
// @mfunc Abilita/disabilita l'autoselezione del testo
void TControl::autoselect(bool on)
{
change_attrib(XI_ATR_AUTOSELECT, on);
}
// @mfunc Allineamento a destra del testo
void TControl::set_rjust(bool on)
{
change_attrib(XI_ATR_RJUST, on);
}
// @doc INTERNAL
// @mfunc Flag di sola lettura
bool TControl::read_only() const
{
return (xi_get_attrib(_obj) & XI_ATR_READONLY) != 0;
}
// @mfunc Flag di sola lettura
void TControl::set_read_only(bool on)
{
change_attrib(XI_ATR_READONLY, on);
}
void TControl::set_caret_pos(int pos)
{
xi_lowlevel_focus(_obj, TRUE);
if (pos >= 0)
xi_aga_field_set_caret_pos(_obj, pos);
}
const char* TControl::caption() const
{ return xi_get_text(_obj, NULL, 512); }
void TControl::set_caption(const char* c)
{ xi_set_text(_obj, c); }
void TControl::destroy()
{
if (_obj != NULL)
{
xi_delete(_obj);
_obj = NULL;
}
}
///////////////////////////////////////////////////////////
// TText
///////////////////////////////////////////////////////////
TText_control::TText_control(WINDOW win, short cid,
short left, short top, short width, short height,
const char* flags, const char* text)
{
bool bold, big;
COLOR color;
TString t = parse_caption(text, bold, big, color);
if (left >= 0)
{
t.rtrim();
if (width <= 0)
width = t.len();
}
else
{
if (width <= 0)
width = t.len();
t.rtrim();
}
XI_OBJ* itf = get_interface(win);
XI_RCT rct = coord2rct(itf, left, top, width, height);
if (left >= 0)
rct.right += bold ? (width*XI_FU_MULTIPLE/4) : XI_FU_MULTIPLE;
else
rct.left -= bold ? (width*XI_FU_MULTIPLE/4) : XI_FU_MULTIPLE;
if (big)
{
if (left >= 0)
rct.right += (rct.right - rct.left);
else
rct.left -= (rct.right - rct.left);
rct.bottom += short(xvt_font_get_size(BIG_FONT) - xvt_font_get_size(DEF_FONT));
}
const unsigned long attrib = flags2attr(flags);
XI_OBJ_DEF* def = xi_add_text_def(NULL, cid, &rct, attrib, t.get_buffer());
CHECKS(def, "Can't create the definition of TText_control:", text);
def->v.text->fore_color = color;
if (bold || big)
def->v.text->font_id = xvtil_default_font(bold, big);
_obj = xi_create(itf, def);
CHECKS(_obj, "Can't create TText_control ", text);
xi_dequeue();
xi_tree_free(def);
}
void TText_control::set_caption(const char* text)
{
bool bold, big;
COLOR color;
const char* c = parse_caption(text, bold, big, color);
xi_set_text(_obj, (char*)c);
_obj->v.text->fore_color = color;
xi_set_obj_font_id(_obj, xvtil_default_font(bold, big));
}
///////////////////////////////////////////////////////////
// TGroupbox_control
///////////////////////////////////////////////////////////
TGroupbox_control::TGroupbox_control(WINDOW win, short cid,
short left, short top, short width, short height,
const char* flags, const char* text)
: TText_control(win, cid, left, top, width, 1, flags, text)
{
XI_OBJ* itf = get_interface(win);
XI_RCT rct = coord2rct(itf, left, top, width, height);
rct.top += XI_FU_MULTIPLE;
rct.bottom -= XI_FU_MULTIPLE / 2;
XI_OBJ_DEF* def = xi_add_rect_def(NULL, cid, &rct, XI_ATR_VISIBLE, 0, 0); // Ignore colors
CHECKS(def, "Can't create the definition of TGroupbox_control ", text);
def->v.rect->hilight_color = MASK_LIGHT_COLOR;
def->v.rect->back_color = MASK_BACK_COLOR;
def->v.rect->shadow_color = MASK_DARK_COLOR;
def->v.rect->bitmap = get_background_bitmap(false);
const bool erre = strchr(flags, 'R') != NULL;
if (erre)
change_attrib(XI_ATR_RJUST, false, _obj); // Toglie l'erroneo allineamento a destra del titolo
if (campi_scavati())
def->v.rect->well = erre; // Mette eventualmente in rilievo il rettangolo
else
def->v.rect->ridge = true; // Angoli arrotondati in caso di stile piatto
_rct = xi_create(itf, def);
CHECKD(_rct, "Can't create Groupbox_control ", cid);
XI_RCT& rt = _obj->v.text->rct; // Rettangolo testo
XI_RCT& rr = _rct->v.rect->rct; // Rettangolo box
rr.top -= 2;
//const int txt_height = rt.bottom-rt.top;
rt.bottom = rr.top - 1;
//rt.top = rt.bottom - txt_height + 2;
rt.left = rr.left;
rt.right = rr.right;
xi_dequeue();
xi_tree_free(def);
}
void TGroupbox_control::show(bool on)
{
TText_control::show(on);
change_attrib(XI_ATR_VISIBLE, on, _rct);
}
RCT& TGroupbox_control::get_rect(RCT& r) const
{
xi_get_rect(_rct, (XI_RCT*)&r);
return r;
}
///////////////////////////////////////////////////////////
// TField
///////////////////////////////////////////////////////////
static bool in_create = false;
TField_control::TField_control(WINDOW win, short cid,
short left, short top, short width, short maxlen,
const char* flags, const char* text)
{
const bool button = strchr(flags, 'B') != NULL;
create(win, cid, left, top, width, 1, maxlen, flags, text, button ? 2 : 0);
}
void TField_control::create(WINDOW win, short cid,
short left, short top, short width, short height, short maxlen,
const char* flags, const char* text, int button)
{
CHECK(!in_create, "Nested control creation");
in_create = true;
bool big = false;
bool bold = false;
const short fcid = cid > 0 ? cid + 2000 : cid - 2000;
XI_OBJ_DEF* frm_def = xi_add_form_def(NULL, fcid, fcid);
frm_def->app_data = (long)this;
for (const char* s = flags; *s; s++)
{
if (*s == '{')
big = true; else
if (*s == '}')
bold = true;
}
XI_OBJ* itf = get_interface(win);
XI_RCT rct = coord2rct(itf, left, top, width, height);
rct.right += bold ? (width*XI_FU_MULTIPLE/4) : XI_FU_MULTIPLE/4;
if (big)
{
rct.right += (rct.right - rct.left);
rct.bottom += short(xvt_font_get_size(BIG_FONT) - xvt_font_get_size(DEF_FONT));
}
unsigned long attrib = flags2attr(flags) | XI_ATR_EDITMENU;
if (AUTOSELECT)
attrib |= XI_ATR_AUTOSELECT;
if (AUTOEND)
attrib |= XI_AGA_ATR_AUTOEND;
if (!campi_scavati())
attrib |= XI_ATR_BORDER;
if (maxlen > width)
attrib |= XI_ATR_AUTOSCROLL;
XI_OBJ_DEF* def = xi_add_field_def(frm_def, cid,
rct.top, rct.left,
rct.right - rct.left,
attrib, cid, maxlen+1,
NORMAL_COLOR, NORMAL_BACK_COLOR,
NORMAL_COLOR, DISABLED_BACK_COLOR,
FOCUS_COLOR);
def->app_data = (long)this;
XI_FIELD_DEF* f = def->v.field;
if (big || bold)
f->font_id = xvtil_default_font(bold, big);
f->well = campi_scavati();
f->active_back_color = FOCUS_BACK_COLOR;
if (height == 1)
{
f->auto_tab = true;
if (button != 0)
{
f->button = true;
switch (button)
{
case 2: f->icon_rid = ICO_SEARCH; break; // Bottone per ricerche
default: break; // Bottone standard ICO_COMBO
}
f->pixel_button_distance = 1;
}
}
else // E' un multiline, quindi setto il rettangolo
{
f->xi_rct.top = rct.top;
f->xi_rct.bottom = rct.bottom;
f->xi_rct.right = rct.right;
f->xi_rct.left = rct.left;
f->cr_ok = true;
f->var_len_text = true;
}
XI_OBJ* form = xi_create(itf, frm_def);
CHECKD(form, "Can't create the form for field ", cid);
_obj = xi_get_obj(form, cid);
CHECKD(_obj, "Can't create field ", cid);
STX_DATA* stx = (STX_DATA*)_obj->v.field->stx;
CHECKD(stx, "NULL stx for field ", cid);
if (_obj->v.field->button)
{
// Aggiusta il rettangolo del bottone in modo da allinearlo al testo
XI_RCT& br = (XI_RCT&)_obj->v.field->btn_rct;
const int offset = stx->rct.right - br.left - 1;
br.left += offset;
br.right += offset;
br.top = stx->rct.top + (campi_scavati() ? 1 : 0);
br.bottom = stx->rct.bottom;
}
update_tab_cid();
xi_dequeue();
xi_tree_free(frm_def);
in_create = false;
}
void TField_control::show_button(bool on)
{
XI_FIELD_DATA* f = _obj->v.field;
const bool has_button = f->button != 0;
if (has_button != on)
{
f->button = on;
xi_invalidate_rect((XinWindow)parent(), &f->btn_rct);
}
}
bool TField_control::event_handler(XI_OBJ* itf, XI_EVENT* xiev)
{
if (in_create)
return false;
bool ok = true;
switch(xiev->type)
{
case XIE_OFF_FIELD:
ok = notify_key(K_TAB);
break;
case XIE_ON_FIELD:
notify_key(K_CTRL+K_TAB);
break;
case XIE_DBL_FIELD:
if (!read_only())
notify_key(has_virtual_keyboard() ? K_F12 : K_F9);
break;
case XIE_CHAR_FIELD:
{
KEY k = xiev_to_key(xiev);
if (k == K_PREV || k == K_NEXT || k > K_CTRL)
{
k = K_TAB;
xiev->refused = true;
}
if (k == K_TAB || is_edit_key(k) || (k > K_F1 && k < K_F12))
ok = notify_key(k);
}
break;
case XIE_CHG_FIELD:
notify_key(K_CTRL+K_SPACE);
break;
case XIE_BUTTON:
notify_key(K_F9);
break;
default:
ok = TControl::event_handler(itf, xiev);
break;
}
return ok;
}
void TField_control::set_focus() const
{
TControl::set_focus();
}
void TField_control::set_back_color(COLOR col)
{
xi_set_color(_obj, XIC_BACK, col);
}
///////////////////////////////////////////////////////////
// TMultiline_control
///////////////////////////////////////////////////////////
TMultiline_control::TMultiline_control(WINDOW win, short cid,
short left, short top,
short width, short height, short maxlen,
const char* flags, const char* text)
{
create(win, cid, left, top, width, height, maxlen, flags, text, false);
}
///////////////////////////////////////////////////////////
// TButton_control
///////////////////////////////////////////////////////////
void TButton_control::create(WINDOW win, short cid,
short left, short top, short width, short height,
const char* flags, const char* text,
WIN_TYPE wc, XI_OBJ* container, bool drawable)
{
bool bold, big;
COLOR color;
TString txt(text); txt.trim();
char mnemonic = '\0';
int underscore = -1;
if (wc == WC_PUSHBUTTON || wc == WC_CHECKBUTTON)
{
underscore = txt.find('~');
if (underscore < 0)
underscore = txt.find('&');
if (underscore >= 0)
mnemonic = txt[underscore+1];
txt.strip("&~");
}
const char* t = parse_caption(txt, bold, big, color);
if (width <= 0) width = strlen(t)+3;
XI_RCT rct = coord2rct(get_interface(win), left, top, width, height);
const unsigned long attrib = flags2attr(flags);
XI_OBJ_DEF* def = xi_add_button_def(NULL, cid, &rct, attrib, (char*)t, cid);
CHECKD(def, "Can't create the interface of TButton_control ", cid);
def->v.btn->fore_color = color;
def->app_data = (long)this;
switch (wc)
{
case WC_PUSHBUTTON :
def->v.btn->type = XIBT_BUTTON;
if (bold)
def->v.btn->font = (XinFont *)BIG_FONT;
if (drawable)
def->v.btn->text = ""; // Nasceranno icone successivamente
break;
case WC_CHECKBOX : def->v.btn->type = XIBT_CHECKBOX; break;
case WC_RADIOBUTTON: def->v.btn->type = XIBT_RADIOBTN; break;
case WC_CHECKBUTTON: def->v.btn->type = XIBT_BUTTON_CHECKBOX; break;
default : def->v.btn->type = XIBT_TABBTN; break;
}
if (mnemonic)
{
int mnemonic_instance = 1;
for (int c = underscore-1; c >= 0; c--)
if (t[c] == mnemonic)
mnemonic_instance++;
def->v.btn->mnemonic = mnemonic;
def->v.btn->mnemonic_instance = mnemonic_instance;
}
if (container == NULL)
container = get_interface(win);
_obj = xi_create(container, def);
CHECKD(_obj, "Can't create TButton_control ", cid);
// Aggiusta bottoni
switch (wc)
{
case WC_PUSHBUTTON:
if (height == 1)
{
XI_RCT& r = _obj->v.btn->rct;
// r.top--; Commentata di recente
}
break;
case WC_CHECKBUTTON:
if (height == 1)
{
XI_RCT& r = _obj->v.btn->rct;
r.top -= 2;
r.bottom++;
}
break;
case WC_CHECKBOX:
case WC_RADIOBUTTON:
{
XI_RCT& r = _obj->v.btn->rct;
r.top++; r.bottom -= 2;
r.right += XI_FU_MULTIPLE / 2;
}
break;
default:
break;
}
xi_dequeue();
xi_tree_free(def);
if (wc != WC_CHECKBUTTON) // Annullo fastidiosa gestione tab per i checkbutton
update_tab_cid();
}
int TButton_control::button_type() const
{
return _obj->v.btn->type;
}
XI_OBJ* TButton_control::container() const
{
return _obj->parent;
}
void TButton_control::check(bool on)
{
xi_check(_obj, on);
}
bool TButton_control::checked() const
{
return xi_is_checked(_obj) ? true : false;
}
bool TButton_control::toggle()
{
const bool on = !checked();
check(on);
return on;
}
bool TButton_control::event_handler(XI_OBJ* itf, XI_EVENT* xiev)
{
bool ok = true;
if (xiev->type == XIE_BUTTON)
{
if (_last_mouse_button == 0)
{
if (id() != DLG_CANCEL && id() != DLG_QUIT)
ok = xi_move_focus(_obj) ? true : false;
if (ok)
{
switch (_obj->v.btn->type)
{
case XIBT_CHECKBOX:
case XIBT_BUTTON_CHECKBOX:
toggle();
break;
default:
break;
}
ok = notify_key(K_SPACE);
}
}
}
else
{
if (xiev->type == XIE_POST_NAVIGATION)
ok = notify_key(K_CTRL + K_TAB);
else
ok = TControl::event_handler(itf, xiev);
}
return ok;
}
void TButton_control::set_icon(unsigned int icon_up, unsigned int icon_dn)
{
if (icon_dn <= 0)
icon_dn = icon_up;
xi_set_icon(_obj, icon_up, icon_dn);
_obj->v.btn->drawable = false;
const XI_RCT& rct = _obj->v.btn->rct;
_obj->v.btn->icon_x = short(rct.right - rct.left - xvt_vobj_get_attr(NULL_WIN, ATTR_ICON_WIDTH)) / 2 - 5;
_obj->v.btn->icon_y = short(rct.bottom - rct.top - xvt_vobj_get_attr(NULL_WIN, ATTR_ICON_HEIGHT)) / 2 - 5;
}
///////////////////////////////////////////////////////////
// TPushbutton_control
///////////////////////////////////////////////////////////
TPushbutton_control::TPushbutton_control(WINDOW win, short cid,
short left, short top, short width, short height,
const char* flags, const char* text,
int bmp_up, int bmp_dn)
: _bmp_up(bmp_up), _bmp_dn(bmp_dn)
{
const bool drawable = bmp_up > 0;
create(win, cid, left, top, width, height, flags, text, WC_PUSHBUTTON, NULL, drawable);
if (bmp_up > 10000 && height >= 2)
set_icon(bmp_up, bmp_dn);
else
set_bmp(bmp_up, bmp_dn);
}
TPushbutton_control::~TPushbutton_control()
{
}
char TPushbutton_control::mnemonic() const
{
return _obj->v.btn->mnemonic;
}
void TPushbutton_control::set_caption(const char* c)
{
bool bold, big;
COLOR color;
const char* cap = parse_caption(c, bold, big, color);
if (*cap)
{
TControl::set_caption(cap);
set_icon(0);
set_bmp(0, 0);
_obj->v.btn->drawable = false;
_obj->v.btn->fore_color = color;
xi_set_obj_font_id(_obj, xvtil_default_font(bold, big));
}
}
void TPushbutton_control::set_bmp(int bmp_up, int bmp_dn)
{
if (bmp_up > 0)
{
set_icon(0);
_bmp_up = (bmp_up > 0 && _picture->add(bmp_up)) ? bmp_up : 0;
_bmp_dn = (bmp_dn > 0 && _picture->add(bmp_dn)) ? bmp_dn : _bmp_up;
}
else
_bmp_up = _bmp_dn = 0;
if (xi_get_native_controls(_obj))
{
_obj->v.btn->drawable = FALSE; // Non disegnarci a mano e lascia fare ad XVT!
XVT_IMAGE img_up = NULL, img_dn = NULL;
if (bmp_up > 0)
img_up = _picture->image(_bmp_up).xvt_image();
if (bmp_dn > 0)
img_dn = _picture->image(_bmp_dn).xvt_image();
xvt_btn_set_images((WINDOW)_obj->v.btn->btnctl, img_up, img_dn);
}
else
_obj->v.btn->drawable = _bmp_up > 0;
}
void TPushbutton_control::set_icon(int icon_up, int icon_dn)
{
if (xi_get_native_controls(_obj))
{
TButton_control::set_icon(0, 0);
if (icon_up > 0)
{
const int bmp_up = _picture->add_icon(icon_up);
const int bmp_dn = _picture->add_icon(icon_dn > 0 ? icon_dn : icon_up);
set_bmp(bmp_up, bmp_dn);
}
}
else
TButton_control::set_icon(icon_up, icon_dn);
}
void TPushbutton_control::set_bmp(const char* bmp_up, const char* bmp_dn)
{
if (bmp_up && *bmp_up)
{
set_icon(0);
_bmp_up = _picture->add(bmp_up);
if (bmp_dn && *bmp_dn)
_bmp_dn = _picture->add(bmp_dn);
else
_bmp_dn = _bmp_up;
}
else
_bmp_up = _bmp_dn = 0;
// Chiamo qui la gestione di basso livello per gestire i native controls
set_bmp(_bmp_up, _bmp_dn);
}
void TPushbutton_control::update()
{
// Dovrebbe passare di qui solo per i controlli NON nativi, ma non si sa mai
if (!xi_get_native_controls(_obj))
{
const long attrib = xi_get_attrib(_obj);
if (attrib & XI_ATR_VISIBLE)
{
XinWindow win = xi_get_window(_obj);
XI_RCT rct; xi_get_rect(_obj, &rct); // = _obj->v.btn->rct;
xi_set_clip(win, &rct);
xi_draw_3d_rect(win, &rct, _obj->v.btn->down, 2, BTN_LIGHT_COLOR, BTN_BACK_COLOR, BTN_DARK_COLOR);
xi_inflate_rect(&rct, -3);
xi_set_clip(win, &rct);
const int bmp = (_bmp_dn > 0 && _obj->v.btn->down) ? _bmp_dn : _bmp_up;
if (bmp > 0)
{
const TImage& i = attrib & XI_ATR_ENABLED ? _picture->image(bmp) : _picture->disabled_image(bmp);
RCT& dst = xvtil_align_rect(i.rect(), (RCT&)rct, 'C', 'C', '-');
if (_obj->v.btn->down)
xvt_rect_offset(&dst, 2, 2);
i.draw((WINDOW)win, dst);
}
xi_set_clip(win, NULL);
}
}
}
bool TPushbutton_control::event_handler(XI_OBJ* itf, XI_EVENT* xiev)
{
bool ok = TButton_control::event_handler(itf, xiev);
switch (xiev->type)
{
case XIE_BUTTON:
{
TWindow* w = (TWindow*)xi_get_app_data(get_interface());
w->on_button(id());
}
break;
default:
break;
}
return ok;
}
///////////////////////////////////////////////////////////
// TCheckbox_control
///////////////////////////////////////////////////////////
TCheckbox_control::TCheckbox_control(WINDOW win, short cid,
short left, short top, short width,
const char* flags, const char* text)
{ create(win, cid, left, top, width, 1, flags, text, WC_CHECKBOX); }
///////////////////////////////////////////////////////////
// TCheckbutton_control
///////////////////////////////////////////////////////////
void TCheckbutton_control::check(bool on)
{
TButton_control::check(on);
if (xi_get_native_controls(_obj))
{
XVT_IMAGE img_up = _picture->image(on ? _pic_dn : _pic_up).xvt_image();
XVT_IMAGE img_dn = _picture->image(on ? _pic_up : _pic_dn).xvt_image();
xvt_btn_set_images((WINDOW)_obj->v.btn->btnctl, img_up, img_dn);
}
}
void TCheckbutton_control::set_icon(int icon_up, int icon_dn)
{
if (xi_get_native_controls(_obj))
{
TButton_control::set_icon(0, 0);
if (icon_up > 0)
{
_pic_up = _picture->add_icon(icon_up);
_pic_dn = _picture->add_icon(icon_dn > 0 ? icon_dn : icon_up);
XVT_IMAGE img_up = _pic_up > 0 ? _picture->image(_pic_up).xvt_image() : NULL;
XVT_IMAGE img_dn = _pic_dn > 0 ? _picture->image(_pic_dn).xvt_image() : NULL;
xvt_btn_set_images((WINDOW)_obj->v.btn->btnctl, img_up, img_dn);
}
}
else
TButton_control::set_icon(icon_up, icon_dn);
}
TCheckbutton_control::TCheckbutton_control(WINDOW win, short cid,
short left, short top, short width, int height,
const char* flags, const char* text,
int icon_up, int icon_dn)
{
create(win, cid, left, top, width, height, flags, text, WC_CHECKBUTTON, NULL);
set_icon(icon_up, icon_dn);
}
///////////////////////////////////////////////////////////
// TRadiobutton_control
///////////////////////////////////////////////////////////
TRadiobutton_control::TRadiobutton_control(WINDOW win, short cid,
short left, short top, short width, short height,
const char* flags, const char* text)
{
TToken_string testo(text); testo.strip("&~");
const int tot = testo.items();
const XI_CONTAINER_ORIENTATION orient = height == 1 ? XI_STACK_HORIZONTAL : XI_STACK_VERTICAL;
XI_OBJ* itf = get_interface(win);
XI_RCT rct = coord2rct(itf, left, top, width, height);
XI_OBJ_DEF* def = xi_add_container_def(NULL, cid, &rct, orient, cid);
def->app_data = (long)this;
const unsigned long attrib = flags2attr(flags);
for (int b = 1; b <= tot; b++)
{
bool bold, big;
COLOR color;
const char* t = parse_caption(testo.get(), bold, big, color);
const int next = cid + (b+1)*1000;
XI_OBJ_DEF* btn_def = xi_add_button_def(def, cid + b*1000, NULL, attrib, (char*)t, next);
CHECKD(btn_def, "Can't create definition for radio-button ", cid);
btn_def->app_data = (long)this;
XI_BTN_DEF* btn = btn_def->v.btn;
btn->type = XIBT_RADIOBTN;
btn->fore_color = color;
btn->checked = b == 1;
}
_obj = xi_create(itf, def);
CHECKD(_obj, "Can't create radio-button container ", cid);
if (height > 1 && tot > 1)
{
xi_get_rect(_obj, &rct);
int children;
XI_OBJ** child = xi_get_member_list(_obj, &children);
XI_RCT brct; xi_get_rect(child[0], &brct);
const int bheight = brct.bottom-brct.top;
const int delta = rct.bottom-rct.top - children*bheight;
for (int c = 0; c < children; c++)
{
XI_RCT& brct = child[c]->v.btn->rct;
brct.top = rct.top + delta*c/(tot-1) + bheight*c;
brct.bottom = brct.top + bheight;
}
}
update_tab_cid();
xi_dequeue();
xi_tree_free(def);
}
void TRadiobutton_control::show(bool on)
{
int children;
XI_OBJ** child = xi_get_member_list(_obj, &children);
for (int c = children-1; c >= 0; c--)
change_attrib(XI_ATR_VISIBLE, on, child[c]);
}
void TRadiobutton_control::enable(bool on)
{
int children;
XI_OBJ** child = xi_get_member_list(_obj, &children);
for (int c = children-1; c >= 0; c--)
change_attrib(XI_ATR_ENABLED, on, child[c]);
}
byte TRadiobutton_control::get_checked() const
{
int children;
XI_OBJ** child = xi_get_member_list(_obj, &children);
int c;
for (c = children-1; c > 0; c--)
if (xi_is_checked(child[c])) break;
return (byte)c;
}
void TRadiobutton_control::check_button(byte c)
{
int children;
XI_OBJ** child = xi_get_member_list(_obj, &children);
if (child != NULL && c < children)
xi_check(child[c], true);
else
NFCHECK("This radio is rather old, it doesn't have a button");
}
void TRadiobutton_control::show_button(byte c, bool on)
{
int children;
XI_OBJ** child = xi_get_member_list(_obj, &children);
if (child != NULL && c < children)
change_attrib(XI_ATR_VISIBLE, on, child[c]);
else
NFCHECK("This radio is rather old, it doesn't have a button");
}
bool TRadiobutton_control::event_handler(XI_OBJ* itf, XI_EVENT* xiev)
{
bool ok = true;
if (xiev->type == XIE_BUTTON)
{
XI_OBJ* obj = xiev->v.xi_obj; // Elemento del gruppo di radio buttons da premere
if (xi_move_focus(obj)) // Tenta di dargli il focus
{
if (!xi_is_checked(obj) || xi_get_native_controls(obj))
{ // Se non e' gia' premuto ...
xi_check(obj, true); // ... allora premilo e ...
ok = notify_key(K_SPACE); // ... avverti il mask_field proprietario
}
}
else
ok = false;
}
else
ok = TButton_control::event_handler(itf, xiev);
return ok;
}
void TRadiobutton_control::set_focus() const
{
int children;
XI_OBJ** child = xi_get_member_list(_obj, &children);
int c;
for (c = children-1; c > 0; c--)
if (xi_is_checked(child[c]))
break;
xi_set_focus(child[c]);
}
///////////////////////////////////////////////////////////
// TTagbutton_control
///////////////////////////////////////////////////////////
TTagbutton_control::TTagbutton_control(WINDOW win, short cid,
short left, short top, short width, short height,
const char* flags, const char* text, int tag)
{
XI_OBJ* itf = get_interface(win);
XI_RCT rct; xi_get_xi_rct(itf, &rct);
rct.bottom = rct.top + XI_FU_MULTIPLE;
XI_OBJ_DEF* cnt_def = xi_add_container_def(NULL, cid, &rct, XI_STACK_HORIZONTAL, cid);
cnt_def->app_data = (long)this;
const unsigned long attrib = flags2attr(flags);
TToken_string titolo(text);
const int tot = titolo.items();
for (int b = 1; b <= tot; b++)
{
bool bold, big;
COLOR color;
const char* t = parse_caption(titolo.get(), bold, big, color);
const int next_bid = b == tot ? cid+1 : cid+b+1;
XI_OBJ_DEF* btn_def = xi_add_button_def(cnt_def, cid+b, NULL, attrib, (char*)t, next_bid);
btn_def->v.btn->type = XIBT_TABBTN;
btn_def->v.btn->fore_color = color;
btn_def->v.btn->checked = tag == b-1;
btn_def->app_data = (long)this;
btn_def->v.btn->draw_as = XIBT_EMULATED; // Disegna le orecchie a mano!
}
_obj = xi_create(itf, cnt_def);
CHECKD(_obj, "Can't create tab-button container ", cid);
update_tab_cid();
xi_dequeue();
xi_tree_free(cnt_def);
}
bool TTagbutton_control::event_handler(XI_OBJ* itf, XI_EVENT* xiev)
{
bool ok = true;
if (xiev->type == XIE_BUTTON)
{
XI_OBJ* obj = xiev->v.xi_obj; // Elemento del gruppo di radio buttons da premere
if (!xi_is_checked(obj)) // Se e' gia' selezionato ignoralo completamente
{
if (xi_move_focus(itf)) // Controlla se si puo' cambiare pagina
{
TWindow* w = (TWindow*)xi_get_app_data(itf);
const KEY k = K_CTRL + K_F1 + xiev->v.xi_obj->cid - id() - 1;
w->on_key(k);
}
}
}
else
ok = TRadiobutton_control::event_handler(itf, xiev);
return ok;
}
void TTagbutton_control::set_caption(const char* text)
{
TToken_string cap = text;
int num;
XI_OBJ** tag = xi_get_member_list(_obj, &num);
for (int i = 0; i < num; i++)
{
text = cap.get();
if (text == NULL)
text = cap.get(0);
xi_set_text(tag[i], (char*)text);
}
}
///////////////////////////////////////////////////////////
// TListbox_control
///////////////////////////////////////////////////////////
const char* xvtil_get_cell_selection(XI_OBJ* field_or_cell, int sel, const char* cod, const char* val)
{
if (sel < 0)
sel = 0;
TToken_string values(val);
if (field_or_cell->type != XIT_FIELD)
{
XI_RCT ownrct; xi_get_rect(field_or_cell, &ownrct);
const int max_width = (ownrct.right-ownrct.left) - 20; // Larghezza cella stimata senza bottone
WINDOW parent = (WINDOW)xi_get_window(field_or_cell);
const char* txt = values.get(sel);
int text_width = xvt_dwin_get_text_width(parent, txt, -1);
if (text_width <= max_width)
{
int maxlen = strlen(txt);
FOR_EACH_TOKEN(values, tok)
{
const int len = strlen(tok);
if (len > maxlen)
{
maxlen = len;
text_width = xvt_dwin_get_text_width(parent, tok, -1);
}
}
}
if (text_width > max_width)
{
TToken_string codes(cod);
return codes.get(sel);
}
}
return values.get(sel);
}
int xvtil_drop_down_list(XI_OBJ* field_or_cell, const char* codes, const char* values)
{
if (_ddl_shown)
return -1;
_ddl_shown = true;
TToken_string val(values);
int sel = -1;
if (!val.empty_items())
{
const int TAGDDL = 1000; // Tag della prima voce della lista
TString current; // Carico l'eventuale testo corrente
xi_get_text(field_or_cell, current.get_buffer(), current.size());
const int maxi = val.items()+1; // Alloco sempre un item in piu' che fa da fine lista
MENU_ITEM* menu = new MENU_ITEM[maxi];
memset(menu, 0, sizeof(MENU_ITEM)*maxi);
int items = 0;
FOR_EACH_TOKEN(val, tok)
{
MENU_ITEM& mi = menu[items];
mi.text = xvt_str_duplicate(tok);
mi.tag = TAGDDL+items;
mi.enabled = true;
if (sel < 0 && current == tok)
sel = items;
items++;
}
if (items > 0)
{
WINDOW parent = (WINDOW)xi_get_window(field_or_cell);
XVT_COLOR_COMPONENT xcc[8]; memset(&xcc, 0, sizeof(xcc));
xcc[0].type = XVT_COLOR_BACKGROUND; xcc[0].color = NORMAL_BACK_COLOR;
xcc[1].type = XVT_COLOR_FOREGROUND; xcc[1].color = NORMAL_COLOR;
xcc[2].type = XVT_COLOR_HIGHLIGHT; xcc[2].color = FOCUS_COLOR;
xcc[3].type = XVT_COLOR_SELECT; xcc[3].color = FOCUS_BACK_COLOR;
xvt_dwin_set_font(parent, xvtil_default_font()); // Prepara il font da copiare nel popup
RCT ownrct; xi_get_rect(field_or_cell, (XI_RCT*)&ownrct);
const MENU_TAG tag = xvt_list_popup(parent, &ownrct, menu, xcc, sel >= 0 ? TAGDDL+sel : -1);
if (tag >= TAGDDL)
{
sel = tag-TAGDDL;
const char* txt = xvtil_get_cell_selection(field_or_cell, sel, codes, values);
xi_set_text(field_or_cell, (char*)txt);
}
}
// Free menu data
for (int i = items-1; i >= 0; i--)
xvt_mem_free(menu[i].text);
delete menu;
}
_ddl_shown = false;
return sel;
}
///////////////////////////////////////////////////////////
// TListbox_control
///////////////////////////////////////////////////////////
bool TListbox_control::event_handler(XI_OBJ* itf, XI_EVENT* xiev)
{
bool ok = true;
switch (xiev->type)
{
case XIE_DBL_FIELD:
case XIE_BUTTON:
if (!_ddl_shown && !read_only())
{
const int sel = xvtil_drop_down_list(_obj, _codes, _values);
if (sel >= 0)
{
select(sel);
notify_key(K_SPACE);
}
}
break;
case XIE_CHAR_FIELD:
{
const KEY k = xiev_to_key(xiev);
if (!read_only())
{
if (k >= ' ' && k <= 'z')
select_by_initial(char(k));
else
if (k == K_F9)
{
const int sel = xvtil_drop_down_list(_obj, _codes, _values);
if (sel >= 0)
{
select(sel);
notify_key(K_SPACE);
}
}
else
if (k == K_RIGHT) // poor man's substitute for down arrow
select_by_ofs(1);
else
if (k == K_LEFT) // poor man's substitute for up arrow
select_by_ofs(-1);
else
if (k == K_F2 || k == K_F11 || k == K_F12)
notify_key(k);
}
else
if (k == K_F11 || k == K_F12)
notify_key(k);
xiev->refused = true;
}
break;
case XIE_CHG_FIELD:
// Ignore changes: they are notified by the drop-down list
break;
default:
ok = TField_control::event_handler(itf, xiev);
break;
}
return ok;
}
void TListbox_control::set_values(const char* cod, const char* val)
{
_codes = cod;
_values = val;
if (_current >= items())
_current = 0;
if (_values.full())
xi_set_text(_obj, (char*)_values.get(_current));
else
xi_set_text(_obj, "");
}
int TListbox_control::items() const
{
return _codes.items();
}
bool TListbox_control::select(int i)
{
const bool ok = i >= 0 && i < items();
if (ok)
{
if (_current != i)
{
_current = i;
xi_set_text(_obj, ""); // Senno' a volte disegna male
xi_set_text(_obj, _values.get(i));
}
}
return ok;
}
bool TListbox_control::select_by_initial(char c)
{
const int tot = items();
if (tot <= 1)
return false; // not changed
int i = _current;
for (i = (i+1)%tot; i != _current; i = (i+1)%tot)
{
if (toupper(_values.get_char(i)) == toupper(c))
break;
}
const bool changed = i != _current;
if (changed)
{
select(i);
notify_key(K_SPACE);
}
return changed;
}
bool TListbox_control::select_by_ofs(int i)
{
const int last = items()-1;
i += _current;
if (i < 0)
i = last; else
if (i > last)
i = last;
const bool changed = i != _current;
if (changed)
{
select(i);
notify_key(K_SPACE);
}
return changed;
}
int TListbox_control::selected() const
{ return _current; }
TListbox_control::TListbox_control(WINDOW win, short cid,
short left, short top, short width,
const char* flags, const char* text,
const char* codes, const char* values)
: _codes(codes), _values(values), _current(-1)
{
create(win, cid, left, top, width , 1, width, flags, text, true);
}
TListbox_control::~TListbox_control()
{ }
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