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/*
** 1999-05-10 - A module to deal with the command group DpFocus, the purpose of which is
** to (finally!) make keyboard navigation possible in gentoo. Should at least
** give people something else to mail me about. :^)
*/
#include "gentoo.h"
#include "dirpane.h"
#include "cmdarg.h"
#include "cmdseq_config.h"
#include "cmd_dpfocus.h"
/* ----------------------------------------------------------------------------------------- */
typedef struct {
gboolean modified;
gboolean edge_wrap; /* Wrap focus at upper/lower edge? */
gboolean fake_select; /* Treat focus as selection if no "real" selection exists? */
gboolean focus_select; /* Move focus to last selected/deselected row? */
} OptDpFocus;
static OptDpFocus dpfocus_options;
static CmdCfg *dpfocus_cmc = NULL;
/* ----------------------------------------------------------------------------------------- */
#define CMD_NONE (0)
#define CMD_SAME (1)
#define CMD_PREV (2)
#define CMD_NEXT (3)
#define CMD_PAGEPREV (4)
#define CMD_PAGENEXT (5)
#define CMD_FIRST (6)
#define CMD_LAST (7)
#define CMD_ACTIVATE (8)
/* ----------------------------------------------------------------------------------------- */
#define CELL_SPACING 1
/* Move focus bar one pageful. Based on stuff seen in gtkclist.c. Note horrid assumption
** that CELL_SPACING in said file is 1.
*/
static void move_page(DirPane *src, gint direction)
{
gint dest, ph, max;
ph = (GTK_CLIST(src->list)->clist_window_height / (GTK_CLIST(src->list)->row_height + CELL_SPACING)) - 1;
max = GTK_CLIST(src->list)->rows - 1;
dest = src->focus_row + direction * ph;
if(dest < 0)
{
if((dest == -ph) && dpfocus_options.edge_wrap)
dest = max;
else
dest = 0;
}
else if(dest > max)
{
if((dest == max + ph) && dpfocus_options.edge_wrap)
dest = 0;
else
dest = GTK_CLIST(src->list)->rows - 1;
}
/* Since dp_focus() scrolls, freeze. We want our own scrolling for this. */
dp_freeze(src);
dp_focus(src, dest);
gtk_clist_moveto(src->list, dest, -1, 0.5 + direction * 0.5, 0.0);
dp_thaw(src);
}
/* 1999-05-10 - Do some focusing. */
gint cmd_dpfocus(MainInfo *min, DirPane *src, DirPane *dst, const CmdArg *ca)
{
gboolean sel = car_keyword_get_boolean(ca, "select", FALSE),
center = car_keyword_get_boolean(ca, "center", FALSE);
guint cmd = car_bareword_get_enum(ca, 0, CMD_SAME, "none", "same", "prev", "next",
"pageprev", "pagenext", "first", "last", "activate", NULL);
if((sel == TRUE) && (cmd >= CMD_SAME && cmd <= CMD_LAST))
dp_toggle(src, src->focus_row);
switch(cmd)
{
case CMD_NONE:
dp_unfocus(src);
src->old_focus_row = -1; /* None really means none. */
break;
case CMD_SAME:
break;
case CMD_PREV:
if(src->focus_row == -1)
dp_focus(src, src->dir.num_rows - 1);
else
{
gint dest = src->focus_row - 1;
if(dest < 0)
{
if(dpfocus_options.edge_wrap)
dest = src->dir.num_rows - 1;
else
dest = 0;
}
if(dest != src->focus_row)
dp_focus(src, dest);
}
break;
case CMD_NEXT:
if(src->focus_row == -1)
dp_focus(src, 0);
else
{
gint dest = src->focus_row + 1;
if(dest >= src->dir.num_rows)
{
if(dpfocus_options.edge_wrap)
dest = 0;
else
dest = src->dir.num_rows - 1;
}
if(dest != src->focus_row)
dp_focus(src, dest);
}
break;
case CMD_PAGEPREV:
if(src->focus_row == -1)
dp_focus(src, src->dir.num_rows - 1);
else
move_page(src, -1);
break;
case CMD_PAGENEXT:
if(src->focus_row == -1)
dp_focus(src, 0);
else
move_page(src, 1);
break;
case CMD_FIRST:
dp_focus(src, 0);
break;
case CMD_LAST:
dp_focus(src, src->dir.num_rows - 1);
break;
case CMD_ACTIVATE:
dp_dbclk_row(src, src->focus_row);
break;
}
if((center == TRUE) && (src->focus_row != -1))
gtk_clist_moveto(src->list, src->focus_row, -1, 0.5, 0.0);
/* gtk_widget_grab_focus(GTK_WIDGET(min->gui->top));*/
return 1;
}
/* ----------------------------------------------------------------------------------------- */
/* Just return the "fake select" option. */
gboolean dpf_get_fake_select(void)
{
return dpfocus_options.fake_select;
}
/* Return the "focus selected" option. */
gboolean dpf_get_focus_select(void)
{
return dpfocus_options.focus_select;
}
void cfg_dpfocus(MainInfo *min)
{
if(dpfocus_cmc == NULL)
{
dpfocus_options.modified = FALSE;
dpfocus_options.edge_wrap = FALSE;
dpfocus_options.fake_select = FALSE;
dpfocus_cmc = cmc_config_new("DpFocus", &dpfocus_options);
cmc_field_add_boolean(dpfocus_cmc, "modified", NULL, offsetof(OptDpFocus, modified));
cmc_field_add_boolean(dpfocus_cmc, "edge_wrap", _("Wrap Around At Top And Bottom?"), offsetof(OptDpFocus, edge_wrap));
cmc_field_add_boolean(dpfocus_cmc, "fake_select", _("Treat Focused Row As Selection "
"If No \"Real\" Selection Exists?"), offsetof(OptDpFocus, fake_select));
cmc_field_add_boolean(dpfocus_cmc, "focus_select", _("Move Focus to Last Selected/Deselected "
"Row?"), offsetof(OptDpFocus, focus_select));
cmc_config_register(dpfocus_cmc);
}
}
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