File: win1.cpp

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#include "gcin.h"
#include "pho.h"
#include "gst.h"
#include "win1.h"
#include "tsin.h"

extern gboolean test_mode;
GtkWidget *gwin1;
static GtkWidget *frame;
char *wselkey;
int wselkeyN;
//Window xwin1;

#define SELEN (15)
int win1_rowN;
static GtkWidget *labels_sele[SELEN], *labels_seleR[SELEN];
static GtkWidget *eve_sele[SELEN], *eve_seleR[SELEN];
static GtkWidget *arrow_up, *arrow_down;

void hide_selections_win();
static cb_page_ud_t cb_page_up, cb_page_down;
static int c_config;

static int current_config()
{
  return (tsin_tail_select_key<<9) | (pho_candicate_col_N<<5) | wselkeyN << 1|
    pho_candicate_R2L;
}

static int idx_to_y(int i)
{
	return i % win1_rowN;
}
static int idx_to_x(int i)
{
	return i / win1_rowN;
}

static gboolean button_scroll_event_tsin(GtkWidget *widget,GdkEventScroll *event, gpointer user_data)
{
  switch (event->direction) {
    case GDK_SCROLL_UP:
      if (cb_page_up)
        cb_page_up();
      break;
    case GDK_SCROLL_DOWN:
      if (cb_page_down)
        cb_page_down();
      break;
    default:
      break;
  }

  return TRUE;
}



void create_win1()
{
  if (gwin1)
    return;

  gwin1 = create_no_focus_win();

  g_signal_connect (G_OBJECT (gwin1), "scroll-event", G_CALLBACK (button_scroll_event_tsin), NULL);
}


void change_win1_font(), force_preedit_shift();


static cb_selec_by_idx_t cb_sele_by_idx;

static void mouse_button_callback( GtkWidget *widget,GdkEventButton *event, gpointer data)
{
  int v;
  switch (event->button) {
    case 1:
      v = GPOINTER_TO_INT(data);
#if 1
      if (cb_sele_by_idx)
        cb_sele_by_idx(v);
      force_preedit_shift();
#else
      send_fake_key_eve(pho_selkey[v]);
#endif
      break;
  }
}


static void cb_arrow_up (GtkWidget *button, gpointer user_data)
{
  if (cb_page_up)
    cb_page_up();
}
static void cb_arrow_down (GtkWidget *button, gpointer user_data)
{
  if (cb_page_down)
   cb_page_down();
}

void set_win1_cb(cb_selec_by_idx_t sele_by_idx, cb_page_ud_t page_up, cb_page_ud_t page_down)
{
  cb_sele_by_idx = sele_by_idx;
  cb_page_up = page_up;
  cb_page_down = page_down;
}

void create_win1_gui()
{
  if (frame)
    return;
//  dbg("create_win1_gui %s\n", wselkey);

  win1_rowN = (wselkeyN + pho_candicate_col_N - 1 ) / pho_candicate_col_N;

  frame = gtk_frame_new(NULL);
  gtk_container_add (GTK_CONTAINER(gwin1), frame);

  GtkWidget *vbox_top = gtk_vbox_new (FALSE, 0);
  gtk_container_add (GTK_CONTAINER(frame), vbox_top);

  GtkWidget *eve_box_up = gtk_event_box_new();
  gtk_event_box_set_visible_window (GTK_EVENT_BOX(eve_box_up), FALSE);
  gtk_box_pack_start (GTK_BOX (vbox_top), eve_box_up, FALSE, FALSE, 0);
  arrow_up = gtk_arrow_new (GTK_ARROW_UP, GTK_SHADOW_IN);
  gtk_container_add(GTK_CONTAINER(eve_box_up), arrow_up);
  g_signal_connect (G_OBJECT (eve_box_up), "button-press-event",
                      G_CALLBACK (cb_arrow_up), NULL);

  int c_rowN = (wselkeyN + pho_candicate_col_N - 1) / pho_candicate_col_N * pho_candicate_col_N;
  int tablecolN = pho_candicate_col_N;

  if (!tsin_tail_select_key)
    tablecolN *= 2;

  c_config = current_config();
#if GTK_CHECK_VERSION(3,10,0)
	GtkWidget *table = gtk_grid_new();
#else
  GtkWidget *table = gtk_table_new(c_rowN, tablecolN, FALSE);
#endif
  gtk_box_pack_start (GTK_BOX (vbox_top), table, FALSE, FALSE, 0);

  int i;
  for(i=0; i < wselkeyN; i++)
  {
	int y = idx_to_y(i);
	int x = idx_to_x(i);
//	dbg("i:%d y:%d x:%d\n", i, y, x);

    if (!tsin_tail_select_key)
      x*=2;

    GtkWidget *align = gtk_alignment_new(0,0,0,0);
#if GTK_CHECK_VERSION(3,10,0)
	gtk_grid_attach(GTK_GRID(table),align, x,x+1,y,y+1);
#else
    gtk_table_attach_defaults(GTK_TABLE(table),align, x,x+1,y,y+1);
#endif
    GtkWidget *event_box_pho = gtk_event_box_new();
    gtk_event_box_set_visible_window (GTK_EVENT_BOX(event_box_pho), FALSE);
    GtkWidget *label = gtk_label_new(NULL);
    gtk_container_add (GTK_CONTAINER (event_box_pho), label);
    labels_sele[i] = label;
    eve_sele[i] = event_box_pho;
    gtk_container_add (GTK_CONTAINER (align), event_box_pho);
    gtk_label_set_justify(GTK_LABEL(labels_sele[i]),GTK_JUSTIFY_LEFT);
    set_label_font_size(labels_sele[i], gcin_font_size_tsin_presel);
    g_signal_connect(G_OBJECT(event_box_pho),"button-press-event",
                   G_CALLBACK(mouse_button_callback), GINT_TO_POINTER(i));

    if (!tsin_tail_select_key) {
      GtkWidget *alignR = gtk_alignment_new(0,0,0,0);
#if GTK_CHECK_VERSION(3,10,0)
      gtk_grid_attach(GTK_GRID(table), alignR, x+1,x+2,y,y+1);
#else
      gtk_table_attach_defaults(GTK_TABLE(table), alignR, x+1,x+2,y,y+1);
#endif
      GtkWidget *event_box_phoR = gtk_event_box_new();
      gtk_event_box_set_visible_window (GTK_EVENT_BOX(event_box_phoR), FALSE);
      GtkWidget *labelR = gtk_label_new(NULL);
      gtk_container_add (GTK_CONTAINER (event_box_phoR), labelR);
      labels_seleR[i] = labelR;
      eve_seleR[i] = event_box_phoR;
      gtk_container_add (GTK_CONTAINER (alignR), event_box_phoR);
      gtk_label_set_justify(GTK_LABEL(labels_sele[i]),GTK_JUSTIFY_LEFT);
      set_label_font_size(labels_seleR[i], gcin_font_size_tsin_presel);
      g_signal_connect(G_OBJECT(event_box_phoR),"button-press-event",
                     G_CALLBACK(mouse_button_callback), GINT_TO_POINTER(i));
    }
  }

  GtkWidget *eve_box_down = gtk_event_box_new();
  gtk_event_box_set_visible_window (GTK_EVENT_BOX(eve_box_down), FALSE);
  gtk_box_pack_start (GTK_BOX (vbox_top), eve_box_down, FALSE, FALSE, 0);
  arrow_down = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_IN);
  gtk_container_add(GTK_CONTAINER(eve_box_down), arrow_down);
  g_signal_connect (G_OBJECT (eve_box_down), "button-press-event",
                      G_CALLBACK (cb_arrow_down), NULL);

  gtk_widget_show_all(gwin1);
//  gdk_flush();
  gtk_widget_hide(gwin1);

  change_win1_font();
}

void init_tsin_selection_win()
{
  create_win1();
  create_win1_gui();
}

static void minimize_win1()
{
  gtk_window_resize(GTK_WINDOW(gwin1), 1, 1);
}

void clear_sele()
{
  int i;

  if (!gwin1)
    return;

  for(i=0; i < wselkeyN; i++) {
    gtk_widget_hide(labels_sele[i]);
    if (labels_seleR[i])
      gtk_widget_hide(labels_seleR[i]);
  }

  gtk_widget_hide(arrow_up);
  gtk_widget_hide(arrow_down);
  minimize_win1();
#if WIN32
  gdk_flush();
#endif
#if 0
  hide_selections_win();
#endif
}

char *htmlspecialchars(char *s, char out[]);

void set_sele_text(int i, char *text, int len)
{
  if (len < 0)
    len=strlen(text);

  char tt[128];
  char utf8[128];

  memcpy(utf8, text, len);
  utf8[len]=0;
  char uu[32], selma[128];

  char cc[2];
  cc[0]=wselkey[i];
  cc[1]=0;
  char ul[128];
  ul[0]=0;

  if (tss.sel_pho && i==tss.pho_menu_idx)
    strcpy(ul, " foreground=\"yellow\" background=\"black\"");
  else
    sprintf(ul, "foreground=\"%s\"",gcin_sel_key_color);

  sprintf(selma, "<span %s>%s</span>", ul, htmlspecialchars(cc, uu));

  int x = idx_to_x(i);
  char *sep= x?" ":"";

  if (tsin_tail_select_key) {
    char vv[128];
    snprintf(tt, sizeof(tt), "%s%s%s", sep, htmlspecialchars(utf8, vv), selma);
  } else {
    gtk_label_set_text(GTK_LABEL(labels_seleR[i]), utf8);
    gtk_widget_show(labels_seleR[i]);
    snprintf(tt, sizeof(tt), "%s%s",sep, selma);
  }

  gtk_widget_show(labels_sele[i]);
//  dbg("tt %s\n", tt);
  gtk_label_set_markup(GTK_LABEL(labels_sele[i]), tt);
}

void raise_tsin_selection_win()
{
  if (gwin1 && GTK_WIDGET_VISIBLE(gwin1))
    gtk_window_present(GTK_WINDOW(gwin1));
}


#if WIN32 && 0
static int timeout_handle;
gboolean timeout_minimize_win1(gpointer data)
{
  gtk_widget_show(gwin1);
  minimize_win1();
  raise_tsin_selection_win();
  timeout_handle = 0;
  return FALSE;
}
#endif

#if WIN32
#include <gdk/gdkwin32.h>
extern int dpy_x_ofs, dpy_y_ofs;
void set_win_pos_size(GtkWidget *win, int x, int y, int xl, int yl)
{
  dbg("set_win_pos_size %d,%d %d %d\n", x, y, xl, yl);
  HWND hwnd=(HWND)gdk_win32_drawable_get_handle(win->window);
#if 1
  SetWindowPos(hwnd, HWND_TOP, x + dpy_x_ofs, y + dpy_y_ofs, xl, yl, SWP_SHOWWINDOW);
#else
  MoveWindow(hwnd, x, y, xl, yl, false);
#endif
}
#endif

void getRootXY(Window win, int wx, int wy, int *tx, int *ty);
void disp_selections(int x, int y)
{
  dbg("disp_selections %d,%d\n", x, y);
  if (!gwin1)
    p_err("disp_selections !gwin1");

  if (y < 0) {
	 int tx;
	 if (gcin_edit_display_ap_only())
		getRootXY(current_CS->client_win, current_CS->spot_location.x, current_CS->spot_location.y, &tx, &y);
	 else
		 y = win_y + win_yl;
  }

  int win1_xl, win1_yl;
  get_win_size(gwin1, &win1_xl, &win1_yl);
  dbg("get_win_size gwin1 %d,%d\n", win1_xl, win1_yl);

  if (x < 0) {
    x = win_x + win_xl - win1_xl;
    if (x < win_x)
      x = win_x;
  }

  if (x + win1_xl > dpy_xl)
    x = dpy_xl - win1_xl;

  if (y + win1_yl > dpy_yl) {
    y = win_y - win1_yl;
	// so that it will not cover AP's text. dirty fix, need the height of text
	if (gcin_edit_display==GCIN_EDIT_DISPLAY_ON_THE_SPOT)
	  y -= 24;
  }

  if (y < 0)
    y = 0;
  dbg("x:%d,%d\n", x, y);

  gtk_window_move(GTK_WINDOW(gwin1), x, y);

#if WIN32 && 1
  if (!GTK_WIDGET_VISIBLE(gwin1)) {
    gtk_widget_show(gwin1);
  }
#endif

#if WIN32 && 1
#if 0
  if (!timeout_handle)
    timeout_handle = g_timeout_add(100, timeout_minimize_win1, NULL);
#endif
  set_win_pos_size(gwin1, x, y, win1_xl, win1_yl);
  gtk_window_present(GTK_WINDOW(gwin1));
#endif

#if UNIX || 0
  if (!GTK_WIDGET_VISIBLE(gwin1)) {
    gtk_widget_show(gwin1);
  }
#endif
}

void hide_selections_win()
{
//  dbg("hide_selections_win\n");
#if WIN32
  if (test_mode)
	  return;
#endif
  if (!gwin1)
    return;
#if WIN32 && 0
  if (timeout_handle) {
	  g_source_remove(timeout_handle);
	  timeout_handle = 0;
  }
#endif

#if WIN32
  minimize_win1();
#endif
  gtk_widget_hide(gwin1);
}

void disp_arrow_up()
{
  gtk_widget_show(arrow_up);
}

void disp_arrow_down()
{
  gtk_widget_show(arrow_down);
}

void destroy_win1()
{
  if (!gwin1)
    return;
  gtk_widget_destroy(gwin1);
  frame=NULL;
  gwin1 = NULL;
}

void change_win1_font()
{
  int i;
  if (!frame)
    return;

  GdkColor fg;
  gdk_color_parse(gcin_win_color_fg, &fg);
#if GTK_CHECK_VERSION(2,91,6)
  GdkRGBA rgbfg;
  gdk_rgba_parse(&rgbfg, gdk_color_to_string(&fg));
#endif

  for(i=0; i < wselkeyN; i++) {
    set_label_font_size(labels_sele[i], gcin_font_size_tsin_presel);
    set_label_font_size(labels_seleR[i], gcin_font_size_tsin_presel);
#if !GTK_CHECK_VERSION(2,91,6)
    if (labels_sele[i])
      gtk_widget_modify_fg(labels_sele[i], GTK_STATE_NORMAL, gcin_win_color_use?&fg:NULL);
    if (labels_seleR[i])
      gtk_widget_modify_fg(labels_seleR[i], GTK_STATE_NORMAL, gcin_win_color_use?&fg:NULL);
#else
    if (labels_sele[i])
      gtk_widget_override_color(labels_sele[i], GTK_STATE_FLAG_NORMAL, gcin_win_color_use?&rgbfg:NULL);
    if (labels_seleR[i])
      gtk_widget_override_color(labels_seleR[i], GTK_STATE_FLAG_NORMAL, gcin_win_color_use?&rgbfg:NULL);
#endif
    change_win_bg(eve_sele[i]);

    if (eve_seleR[i])
      change_win_bg(eve_seleR[i]);
  }

  change_win_bg(gwin1);
}

void recreate_win1_if_nessary()
{
//  dbg("%x %x\n", current_config(), c_config);

  if (!gwin1)
    return;

  if (current_config() != c_config) {
    c_config = current_config();
//    dbg("destroy frame\n");
    bzero(labels_sele, sizeof(labels_sele));
    bzero(labels_seleR, sizeof(labels_seleR));
    bzero(eve_sele, sizeof(eve_sele));
    bzero(eve_seleR, sizeof(eve_seleR));
    gtk_widget_destroy(frame); frame = NULL;
    create_win1_gui();
  }
}


static void set_wselkey_str(char *s)
{
  if (!wselkey || strcmp(wselkey, s)) {
    if (wselkey)
      free(wselkey);
    wselkey = strdup(s);
    wselkeyN = strlen(s);
    recreate_win1_if_nessary();
    dbg("set_wselkey %s\n", s);
  }
}

#include "gtab.h"

char *ch_mode_selkey(gboolean is_gtab)
{
  dbg("ch_mode_selkey %d\n", is_gtab);
  char *s;
  if (is_gtab && cur_inmd && cur_inmd->selkey)
    s = cur_inmd->selkey;
  else
    s = pho_selkey;

  return s;
}

char *en_sel_keys(gboolean is_gtab);
void gtab_set_win1_cb(), tsin_set_win1_cb();

void set_wselkey()
{ 
  dbg("set_wselkey\n");
  gboolean is_gtab = current_method_type()==method_type_GTAB;
  char *s;
  if (tsin_pho_mode()) {
    s = ch_mode_selkey(is_gtab);
  } else
    s = en_sel_keys(is_gtab);

  if (s==NULL)
    return;

  set_wselkey_str(s);

  if (is_gtab)
    gtab_set_win1_cb();
  else
    tsin_set_win1_cb();
}