Adding upstream version 3:4.8.29.upstream/3%4.8.29upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 624 insertions, 0 deletions

diff --git a/lib/widget/quick.c b/lib/widget/quick.c
new file mode 100644
index 0000000..aec3070
--- /dev/null
+++ b/lib/widget/quick.c
@@ -0,0 +1,624 @@
+/*
+   Widget based utility functions.
+
+   Copyright (C) 1994-2022
+   Free Software Foundation, Inc.
+
+   Authors:
+   Miguel de Icaza, 1994, 1995, 1996
+   Radek Doulik, 1994, 1995
+   Jakub Jelinek, 1995
+   Andrej Borsenkow, 1995
+   Andrew Borodin <aborodin@vmail.ru>, 2009-2022
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file quick.c
+ *  \brief Source: quick dialog engine
+ */
+
+#include <config.h>
+
+#include <stdlib.h>
+#include <stdio.h>              /* fprintf() */
+
+#include "lib/global.h"
+#include "lib/strutil.h"        /* str_term_width1() */
+#include "lib/util.h"           /* tilde_expand() */
+#include "lib/widget.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+#ifdef ENABLE_NLS
+#define I18N(x) (x = x != NULL && *x != '\0' ? _(x) : x)
+#else
+#define I18N(x) (x = x)
+#endif
+
+/*** file scope type declarations ****************************************************************/
+
+typedef struct
+{
+    Widget *widget;
+    quick_widget_t *quick_widget;
+} quick_widget_item_t;
+
+/*** file scope variables ************************************************************************/
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static WInput *
+quick_create_input (int y, int x, const quick_widget_t * qw)
+{
+    WInput *in;
+
+    in = input_new (y, x, input_colors, 8, qw->u.input.text, qw->u.input.histname,
+                    qw->u.input.completion_flags);
+
+    in->is_password = qw->u.input.is_passwd;
+    in->strip_password = qw->u.input.strip_passwd;
+
+    return in;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+quick_create_labeled_input (GArray * widgets, int *y, int x, quick_widget_t * quick_widget,
+                            int *width)
+{
+    quick_widget_item_t in, label;
+
+    label.quick_widget = g_new0 (quick_widget_t, 1);
+    label.quick_widget->widget_type = quick_label;
+    label.quick_widget->options = quick_widget->options;
+    label.quick_widget->state = quick_widget->state;
+    /* FIXME: this should be turned in depend of label_location */
+    label.quick_widget->pos_flags = quick_widget->pos_flags;
+
+    switch (quick_widget->u.input.label_location)
+    {
+    case input_label_above:
+        label.widget = WIDGET (label_new (*y, x, I18N (quick_widget->u.input.label_text)));
+        *y += label.widget->rect.lines - 1;
+        g_array_append_val (widgets, label);
+
+        in.widget = WIDGET (quick_create_input (++(*y), x, quick_widget));
+        in.quick_widget = quick_widget;
+        g_array_append_val (widgets, in);
+
+        *width = MAX (label.widget->rect.cols, in.widget->rect.cols);
+        break;
+
+    case input_label_left:
+        label.widget = WIDGET (label_new (*y, x, I18N (quick_widget->u.input.label_text)));
+        g_array_append_val (widgets, label);
+
+        in.widget = WIDGET (quick_create_input (*y, x + label.widget->rect.cols + 1, quick_widget));
+        in.quick_widget = quick_widget;
+        g_array_append_val (widgets, in);
+
+        *width = label.widget->rect.cols + in.widget->rect.cols + 1;
+        break;
+
+    case input_label_right:
+        in.widget = WIDGET (quick_create_input (*y, x, quick_widget));
+        in.quick_widget = quick_widget;
+        g_array_append_val (widgets, in);
+
+        label.widget =
+            WIDGET (label_new
+                    (*y, x + in.widget->rect.cols + 1, I18N (quick_widget->u.input.label_text)));
+        g_array_append_val (widgets, label);
+
+        *width = label.widget->rect.cols + in.widget->rect.cols + 1;
+        break;
+
+    case input_label_below:
+        in.widget = WIDGET (quick_create_input (*y, x, quick_widget));
+        in.quick_widget = quick_widget;
+        g_array_append_val (widgets, in);
+
+        label.widget = WIDGET (label_new (++(*y), x, I18N (quick_widget->u.input.label_text)));
+        *y += label.widget->rect.lines - 1;
+        g_array_append_val (widgets, label);
+
+        *width = MAX (label.widget->rect.cols, in.widget->rect.cols);
+        break;
+
+    default:
+        return;
+    }
+
+    INPUT (in.widget)->label = LABEL (label.widget);
+    /* cross references */
+    label.quick_widget->u.label.input = in.quick_widget;
+    in.quick_widget->u.input.label = label.quick_widget;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+int
+quick_dialog_skip (quick_dialog_t * quick_dlg, int nskip)
+{
+    int len;
+    int blen = 0;
+    int x, y;                   /* current positions */
+    int y1 = 0;                 /* bottom of 1st column in case of two columns */
+    int y2 = -1;                /* start of two columns */
+    int width1 = 0;             /* width of single column */
+    int width2 = 0;             /* width of each of two columns */
+    gboolean have_groupbox = FALSE;
+    gboolean two_columns = FALSE;
+    gboolean put_buttons = FALSE;
+
+    /* x position of 1st column is 3 */
+    const int x1 = 3;
+    /* x position of 2nd column is 4 and it will be fixed later, after creation of all widgets */
+    int x2 = 4;
+
+    GArray *widgets;
+    size_t i;
+    quick_widget_t *quick_widget;
+    WGroupbox *g = NULL;
+    WDialog *dd;
+    GList *input_labels = NULL; /* Widgets not directly requested by the user. */
+    int return_val;
+
+    len = str_term_width1 (I18N (quick_dlg->title)) + 6;
+    quick_dlg->rect.cols = MAX (quick_dlg->rect.cols, len);
+
+    y = 1;
+    x = x1;
+
+    /* create widgets */
+    widgets = g_array_sized_new (FALSE, FALSE, sizeof (quick_widget_item_t), 8);
+
+    for (quick_widget = quick_dlg->widgets; quick_widget->widget_type != quick_end; quick_widget++)
+    {
+        quick_widget_item_t item = { NULL, quick_widget };
+        int width = 0;
+
+        switch (quick_widget->widget_type)
+        {
+        case quick_checkbox:
+            item.widget =
+                WIDGET (check_new
+                        (++y, x, *quick_widget->u.checkbox.state,
+                         I18N (quick_widget->u.checkbox.text)));
+            g_array_append_val (widgets, item);
+            width = item.widget->rect.cols;
+            if (g != NULL)
+                width += 2;
+            if (two_columns)
+                width2 = MAX (width2, width);
+            else
+                width1 = MAX (width1, width);
+            break;
+
+        case quick_button:
+            /* single button */
+            item.widget = WIDGET (button_new (++y, x, quick_widget->u.button.action,
+                                              quick_widget->u.button.action == B_ENTER ?
+                                              DEFPUSH_BUTTON : NORMAL_BUTTON,
+                                              I18N (quick_widget->u.button.text),
+                                              quick_widget->u.button.callback));
+            g_array_append_val (widgets, item);
+            width = item.widget->rect.cols;
+            if (g != NULL)
+                width += 2;
+            if (two_columns)
+                width2 = MAX (width2, width);
+            else
+                width1 = MAX (width1, width);
+            break;
+
+        case quick_input:
+            *quick_widget->u.input.result = NULL;
+            y++;
+            if (quick_widget->u.input.label_location != input_label_none)
+            {
+                quick_create_labeled_input (widgets, &y, x, quick_widget, &width);
+                input_labels = g_list_prepend (input_labels, quick_widget->u.input.label);
+            }
+            else
+            {
+                item.widget = WIDGET (quick_create_input (y, x, quick_widget));
+                g_array_append_val (widgets, item);
+                width = item.widget->rect.cols;
+            }
+            if (g != NULL)
+                width += 2;
+            if (two_columns)
+                width2 = MAX (width2, width);
+            else
+                width1 = MAX (width1, width);
+            break;
+
+        case quick_label:
+            item.widget = WIDGET (label_new (++y, x, I18N (quick_widget->u.label.text)));
+            g_array_append_val (widgets, item);
+            y += item.widget->rect.lines - 1;
+            width = item.widget->rect.cols;
+            if (g != NULL)
+                width += 2;
+            if (two_columns)
+                width2 = MAX (width2, width);
+            else
+                width1 = MAX (width1, width);
+            break;
+
+        case quick_radio:
+            {
+                WRadio *r;
+                char **items = NULL;
+
+                /* create the copy of radio_items to avoid mwmory leak */
+                items = g_new (char *, quick_widget->u.radio.count + 1);
+                for (i = 0; i < (size_t) quick_widget->u.radio.count; i++)
+                    items[i] = g_strdup (_(quick_widget->u.radio.items[i]));
+                items[i] = NULL;
+
+                r = radio_new (++y, x, quick_widget->u.radio.count, (const char **) items);
+                r->pos = r->sel = *quick_widget->u.radio.value;
+                g_strfreev (items);
+                item.widget = WIDGET (r);
+                g_array_append_val (widgets, item);
+                y += item.widget->rect.lines - 1;
+                width = item.widget->rect.cols;
+                if (g != NULL)
+                    width += 2;
+                if (two_columns)
+                    width2 = MAX (width2, width);
+                else
+                    width1 = MAX (width1, width);
+            }
+            break;
+
+        case quick_start_groupbox:
+            I18N (quick_widget->u.groupbox.title);
+            len = str_term_width1 (quick_widget->u.groupbox.title);
+            g = groupbox_new (++y, x, 1, len + 4, quick_widget->u.groupbox.title);
+            item.widget = WIDGET (g);
+            g_array_append_val (widgets, item);
+            have_groupbox = TRUE;
+            break;
+
+        case quick_stop_groupbox:
+            if (g != NULL)
+            {
+                Widget *w = WIDGET (g);
+
+                y++;
+                w->rect.lines = y + 1 - w->rect.y;
+                g = NULL;
+
+                g_array_append_val (widgets, item);
+            }
+            break;
+
+        case quick_separator:
+            y++;
+            if (quick_widget->u.separator.line)
+            {
+                item.widget = WIDGET (hline_new (y, x, 1));
+                g_array_append_val (widgets, item);
+            }
+            break;
+
+        case quick_start_columns:
+            y2 = y;
+            g_array_append_val (widgets, item);
+            two_columns = TRUE;
+            break;
+
+        case quick_next_column:
+            x = x2;
+            y1 = y;
+            y = y2;
+            break;
+
+        case quick_stop_columns:
+            x = x1;
+            y = MAX (y1, y);
+            g_array_append_val (widgets, item);
+            two_columns = FALSE;
+            break;
+
+        case quick_buttons:
+            /* start put several buttons in bottom line */
+            if (quick_widget->u.separator.space)
+            {
+                y++;
+
+                if (quick_widget->u.separator.line)
+                    item.widget = WIDGET (hline_new (y, 1, -1));
+            }
+
+            g_array_append_val (widgets, item);
+
+            /* several buttons in bottom line */
+            y++;
+            quick_widget++;
+            for (; quick_widget->widget_type == quick_button; quick_widget++)
+            {
+                item.widget = WIDGET (button_new (y, x++, quick_widget->u.button.action,
+                                                  quick_widget->u.button.action == B_ENTER ?
+                                                  DEFPUSH_BUTTON : NORMAL_BUTTON,
+                                                  I18N (quick_widget->u.button.text),
+                                                  quick_widget->u.button.callback));
+                item.quick_widget = quick_widget;
+                g_array_append_val (widgets, item);
+                blen += item.widget->rect.cols + 1;
+            }
+
+            /* stop dialog build here */
+            blen--;
+            quick_widget->widget_type = quick_end;
+            quick_widget--;
+            break;
+
+        default:
+            break;
+        }
+    }
+
+    /* adjust dialog width */
+    quick_dlg->rect.cols = MAX (quick_dlg->rect.cols, blen + 6);
+    if (have_groupbox)
+    {
+        if (width1 != 0)
+            width1 += 2;
+        if (width2 != 0)
+            width2 += 2;
+    }
+    if (width2 == 0)
+        len = width1 + 6;
+    else
+    {
+        len = width2 * 2 + 7;
+        if (width1 != 0)
+            len = MAX (len, width1 + 6);
+    }
+
+    quick_dlg->rect.cols = MAX (quick_dlg->rect.cols, len);
+    width1 = quick_dlg->rect.cols - 6;
+    width2 = (quick_dlg->rect.cols - 7) / 2;
+
+    if (quick_dlg->rect.x == -1 || quick_dlg->rect.y == -1)
+        dd = dlg_create (TRUE, 0, 0, y + 3, quick_dlg->rect.cols, WPOS_CENTER | WPOS_TRYUP, FALSE,
+                         dialog_colors, quick_dlg->callback, quick_dlg->mouse_callback,
+                         quick_dlg->help, quick_dlg->title);
+    else
+        dd = dlg_create (TRUE, quick_dlg->rect.y, quick_dlg->rect.x, y + 3, quick_dlg->rect.cols,
+                         WPOS_KEEP_DEFAULT, FALSE, dialog_colors, quick_dlg->callback,
+                         quick_dlg->mouse_callback, quick_dlg->help, quick_dlg->title);
+
+    /* add widgets into the dialog */
+    x2 = x1 + width2 + 1;
+    g = NULL;
+    two_columns = FALSE;
+    x = (WIDGET (dd)->rect.cols - blen) / 2;
+
+    for (i = 0; i < widgets->len; i++)
+    {
+        quick_widget_item_t *item;
+        int column_width;
+        WRect *r;
+
+        item = &g_array_index (widgets, quick_widget_item_t, i);
+        r = &item->widget->rect;
+        column_width = two_columns ? width2 : width1;
+
+        /* adjust widget width and x position */
+        switch (item->quick_widget->widget_type)
+        {
+        case quick_label:
+            {
+                quick_widget_t *input = item->quick_widget->u.label.input;
+
+                if (input != NULL && input->u.input.label_location == input_label_right)
+                {
+                    /* location of this label will be adjusted later */
+                    break;
+                }
+            }
+            MC_FALLTHROUGH;
+        case quick_checkbox:
+        case quick_radio:
+            if (r->x != x1)
+                r->x = x2;
+            if (g != NULL)
+                r->x += 2;
+            break;
+
+        case quick_button:
+            if (!put_buttons)
+            {
+                if (r->x != x1)
+                    r->x = x2;
+                if (g != NULL)
+                    r->x += 2;
+            }
+            else
+            {
+                r->x = x;
+                x += r->cols + 1;
+            }
+            break;
+
+        case quick_input:
+            {
+                Widget *label = WIDGET (INPUT (item->widget)->label);
+                int width = column_width;
+
+                if (g != NULL)
+                    width -= 4;
+
+                switch (item->quick_widget->u.input.label_location)
+                {
+                case input_label_left:
+                    /* label was adjusted before; adjust input line */
+                    r->x = label->rect.x + label->rect.cols + 1 - WIDGET (label->owner)->rect.x;
+                    r->cols = width - label->rect.cols - 1;
+                    break;
+
+                case input_label_right:
+                    if (r->x != x1)
+                        r->x = x2;
+                    if (g != NULL)
+                        r->x += 2;
+                    r->cols = width - label->rect.cols - 1;
+                    label->rect.x = r->x + r->cols + 1;
+                    break;
+
+                default:
+                    if (r->x != x1)
+                        r->x = x2;
+                    if (g != NULL)
+                        r->x += 2;
+                    r->cols = width;
+                    break;
+                }
+
+                /* forced update internal variables of input line */
+                r->lines = 1;
+                widget_set_size_rect (item->widget, r);
+            }
+            break;
+
+        case quick_start_groupbox:
+            g = GROUPBOX (item->widget);
+            if (r->x != x1)
+                r->x = x2;
+            r->cols = column_width;
+            break;
+
+        case quick_stop_groupbox:
+            g = NULL;
+            break;
+
+        case quick_separator:
+            if (item->widget != NULL)
+            {
+                if (g != NULL)
+                {
+                    Widget *wg = WIDGET (g);
+
+                    HLINE (item->widget)->auto_adjust_cols = FALSE;
+                    r->x = wg->rect.x + 1 - WIDGET (wg->owner)->rect.x;
+                    r->cols = wg->rect.cols;
+                }
+                else if (two_columns)
+                {
+                    HLINE (item->widget)->auto_adjust_cols = FALSE;
+                    if (r->x != x1)
+                        r->x = x2;
+                    r->x--;
+                    r->cols = column_width + 2;
+                }
+                else
+                    HLINE (item->widget)->auto_adjust_cols = TRUE;
+            }
+            break;
+
+        case quick_start_columns:
+            two_columns = TRUE;
+            break;
+
+        case quick_stop_columns:
+            two_columns = FALSE;
+            break;
+
+        case quick_buttons:
+            /* several buttons in bottom line */
+            put_buttons = TRUE;
+            break;
+
+        default:
+            break;
+        }
+
+        if (item->widget != NULL)
+        {
+            unsigned long id;
+
+            /* add widget into dialog */
+            item->widget->options |= item->quick_widget->options;       /* FIXME: cannot reset flags, setup only */
+            item->widget->state |= item->quick_widget->state;   /* FIXME: cannot reset flags, setup only */
+            id = group_add_widget_autopos (GROUP (dd), item->widget, item->quick_widget->pos_flags,
+                                           NULL);
+            if (item->quick_widget->id != NULL)
+                *item->quick_widget->id = id;
+        }
+    }
+
+    /* skip frame widget */
+    if (dd->bg != NULL)
+        nskip++;
+
+    while (nskip-- != 0)
+        group_set_current_widget_next (GROUP (dd));
+
+    return_val = dlg_run (dd);
+
+    /* Get the data if we found something interesting */
+    if (return_val != B_CANCEL)
+        for (i = 0; i < widgets->len; i++)
+        {
+            quick_widget_item_t *item;
+
+            item = &g_array_index (widgets, quick_widget_item_t, i);
+
+            switch (item->quick_widget->widget_type)
+            {
+            case quick_checkbox:
+                *item->quick_widget->u.checkbox.state = CHECK (item->widget)->state;
+                break;
+
+            case quick_input:
+                if ((item->quick_widget->u.input.completion_flags & INPUT_COMPLETE_CD) != 0)
+                    *item->quick_widget->u.input.result =
+                        tilde_expand (input_get_ctext (INPUT (item->widget)));
+                else
+                    *item->quick_widget->u.input.result = input_get_text (INPUT (item->widget));
+                break;
+
+            case quick_radio:
+                *item->quick_widget->u.radio.value = RADIO (item->widget)->sel;
+                break;
+
+            default:
+                break;
+            }
+        }
+
+    widget_destroy (WIDGET (dd));
+
+    g_list_free_full (input_labels, g_free);    /* destroy input labels created before */
+    g_array_free (widgets, TRUE);
+
+    return return_val;
+}
+
+/* --------------------------------------------------------------------------------------------- */