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Added tab_key_action; made ctrl-up/down scroll by one line

master
Yevgen Muntyan 2006-04-24 23:18:25 -05:00
parent 49f53a4d0f
commit 50a7ed93df
4 changed files with 135 additions and 14 deletions
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54
moo/mooedit/mooeditinput.c
View File

@ -1,6 +1,5 @@
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4; coding: utf-8 -*-
*
* mooeditcursor.c
/*
* mooeditinput.c
*
* Copyright (C) 2004-2006 by Yevgen Muntyan <muntyan@math.tamu.edu>
*
@ -1086,23 +1085,47 @@ set_invisible_cursor (GdkWindow *window)
}
static void
move_focus (GtkWidget *widget,
GtkDirectionType direction)
{
GtkWidget *toplevel = gtk_widget_get_toplevel (widget);
g_signal_emit_by_name (toplevel, "move-focus", direction);
}
static gboolean
handle_tab (MooTextView *view,
G_GNUC_UNUSED GdkEventKey *event)
handle_tab (MooTextView *view,
GdkEventKey *event)
{
GtkTextBuffer *buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
GtkTextIter insert, bound, start, end;
gboolean starts_line, insert_last, has_selection;
int first_line, last_line;
if (!view->priv->indenter || !view->priv->tab_indents)
switch (view->priv->tab_key_action)
{
case MOO_TEXT_TAB_KEY_DO_NOTHING:
move_focus (GTK_WIDGET (view),
event->state & GDK_SHIFT_MASK ?
GTK_DIR_TAB_BACKWARD : GTK_DIR_TAB_FORWARD);
return TRUE;
case MOO_TEXT_TAB_KEY_FIND_PLACEHOLDER:
if (event->state & GDK_SHIFT_MASK)
moo_text_view_prev_placeholder (view);
else
moo_text_view_next_placeholder (view);
return TRUE;
case MOO_TEXT_TAB_KEY_INDENT:
break;
}
if (!view->priv->indenter)
return FALSE;
has_selection = gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
if (!has_selection && !view->priv->tab_indents && !view->priv->tab_inserts_indent_chars)
return FALSE;
gtk_text_buffer_begin_user_action (buffer);
if (has_selection)
@ -1275,6 +1298,7 @@ handle_ctrl_up (MooTextView *view,
GtkTextView *text_view;
GtkAdjustment *adjustment;
double value;
int line_height;
if (!view->priv->ctrl_up_down_scrolls)
return FALSE;
@ -1285,21 +1309,25 @@ handle_ctrl_up (MooTextView *view,
if (!adjustment)
return FALSE;
line_height = _moo_text_view_get_line_height (view);
if (up)
{
value = adjustment->value - adjustment->step_increment;
value = adjustment->value - line_height;
if (value < adjustment->lower)
value = adjustment->lower;
gtk_adjustment_set_value (adjustment, value);
}
else
{
value = adjustment->value + adjustment->step_increment;
value = adjustment->value + line_height;
if (value > adjustment->upper - adjustment->page_size)
value = adjustment->upper - adjustment->page_size;
gtk_adjustment_set_value (adjustment, value);
}
gtk_adjustment_set_value (adjustment, value);
return TRUE;
}

2
moo/mooedit/mootextview-private.h
View File

@ -57,6 +57,7 @@ int _moo_text_view_extend_selection (MooTextView *view,
void _moo_text_view_check_char_inserted (MooTextView *view);
void _moo_text_view_pend_cursor_blink (MooTextView *view);
int _moo_text_view_get_line_height (MooTextView *view);
typedef enum {
@ -129,6 +130,7 @@ struct _MooTextViewPrivate {
gboolean shift_tab_unindents;
gboolean backspace_indents;
gboolean enter_indents;
MooTextTabKeyAction tab_key_action;
/***********************************************************************/
/* Keyboard

82
moo/mooedit/mootextview.c
View File

@ -203,7 +203,8 @@ enum {
PROP_SHOW_LINE_MARKS,
PROP_ENABLE_FOLDING,
PROP_ENABLE_QUICK_SEARCH,
PROP_QUICK_SEARCH_FLAGS
PROP_QUICK_SEARCH_FLAGS,
PROP_TAB_KEY_ACTION
};
@ -440,6 +441,15 @@ static void moo_text_view_class_init (MooTextViewClass *klass)
MOO_TEXT_SEARCH_CASELESS,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
g_object_class_install_property (gobject_class,
PROP_TAB_KEY_ACTION,
g_param_spec_enum ("tab-key-action",
"tab-key-action",
"tab-key-action",
MOO_TYPE_TEXT_TAB_KEY_ACTION,
MOO_TEXT_TAB_KEY_INDENT,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
gtk_widget_class_install_style_property (widget_class,
g_param_spec_int ("expander-size",
"Expander Size",
@ -1037,6 +1047,10 @@ moo_text_view_set_property (GObject *object,
g_object_notify (object, "quick-search-flags");
break;
case PROP_TAB_KEY_ACTION:
moo_text_view_set_tab_key_action (view, g_value_get_enum (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -1139,6 +1153,10 @@ moo_text_view_get_property (GObject *object,
g_value_set_flags (value, view->priv->qs.flags);
break;
case PROP_TAB_KEY_ACTION:
g_value_set_enum (value, view->priv->tab_key_action);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -1159,6 +1177,7 @@ moo_text_selection_type_get_type (void)
{ MOO_TEXT_SELECT_LINES, (char*)"MOO_TEXT_SELECT_LINES", (char*)"select-lines" },
{ 0, NULL, NULL }
};
type = g_enum_register_static ("MooTextSelectionType", values);
}
@ -1166,6 +1185,27 @@ moo_text_selection_type_get_type (void)
}
GType
moo_text_tab_key_action_get_type (void)
{
static GType type = 0;
if (!type)
{
static const GEnumValue values[] = {
{ MOO_TEXT_TAB_KEY_DO_NOTHING, (char*)"MOO_TEXT_TAB_KEY_DO_NOTHING", (char*)"do-nothing" },
{ MOO_TEXT_TAB_KEY_INDENT, (char*)"MOO_TEXT_TAB_KEY_INDENT", (char*)"indent" },
{ MOO_TEXT_TAB_KEY_FIND_PLACEHOLDER, (char*)"MOO_TEXT_TAB_KEY_FIND_PLACEHOLDER", (char*)"find-placeholder" },
{ 0, NULL, NULL }
};
type = g_enum_register_static ("MooTextTabKeyAction", values);
}
return type;
}
char*
moo_text_view_get_selection (MooTextView *view)
{
@ -2626,6 +2666,44 @@ _moo_text_view_pend_cursor_blink (MooTextView *view)
}
void
moo_text_view_set_tab_key_action (MooTextView *view,
MooTextTabKeyAction action)
{
g_return_if_fail (MOO_IS_TEXT_VIEW (view));
if (view->priv->tab_key_action != action)
{
view->priv->tab_key_action = action;
g_object_notify (G_OBJECT (view), "tab-key-action");
}
}
int
_moo_text_view_get_line_height (MooTextView *view)
{
PangoContext *ctx;
PangoLayout *layout;
PangoRectangle rect;
int height;
g_return_val_if_fail (MOO_IS_TEXT_VIEW (view), 10);
ctx = gtk_widget_get_pango_context (GTK_WIDGET (view));
g_return_val_if_fail (ctx != NULL, 10);
layout = pango_layout_new (ctx);
pango_layout_set_text (layout, "AA", -1);
pango_layout_get_extents (layout, NULL, &rect);
height = rect.height / PANGO_SCALE;
g_object_unref (layout);
return height;
}
/*****************************************************************************/
/* Left margin
*/
@ -4170,6 +4248,7 @@ moo_text_view_next_placeholder (MooTextView *view)
if (moo_text_view_has_placeholder_at_iter (view, &match_start))
{
gtk_text_buffer_select_range (buffer, &match_end, &match_start);
scroll_selection_onscreen (GTK_TEXT_VIEW (view));
return TRUE;
}
else
@ -4206,6 +4285,7 @@ moo_text_view_prev_placeholder (MooTextView *view)
if (moo_text_view_has_placeholder_at_iter (view, &match_start))
{
gtk_text_buffer_select_range (buffer, &match_start, &match_end);
scroll_selection_onscreen (GTK_TEXT_VIEW (view));
return TRUE;
}
else

11
moo/mooedit/mootextview.h
View File

@ -24,6 +24,7 @@ G_BEGIN_DECLS
#define MOO_TYPE_TEXT_SELECTION_TYPE (moo_text_selection_type_get_type ())
#define MOO_TYPE_TEXT_TAB_KEY_ACTION (moo_text_tab_key_action_get_type ())
#define MOO_TYPE_TEXT_VIEW (moo_text_view_get_type ())
#define MOO_TEXT_VIEW(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), MOO_TYPE_TEXT_VIEW, MooTextView))
@ -43,6 +44,12 @@ typedef enum {
MOO_TEXT_SELECT_LINES
} MooTextSelectionType;
typedef enum {
MOO_TEXT_TAB_KEY_DO_NOTHING,
MOO_TEXT_TAB_KEY_INDENT,
MOO_TEXT_TAB_KEY_FIND_PLACEHOLDER
} MooTextTabKeyAction;
struct _MooTextView
{
GtkTextView parent;
@ -88,6 +95,7 @@ struct _MooTextViewClass
GType moo_text_view_get_type (void) G_GNUC_CONST;
GType moo_text_selection_type_get_type (void) G_GNUC_CONST;
GType moo_text_tab_key_action_get_type (void) G_GNUC_CONST;
GtkWidget *moo_text_view_new (void);
@ -158,6 +166,9 @@ void moo_text_view_add_child_in_border (MooTextView *view,
GtkWidget *child,
GtkTextWindowType which_border);
void moo_text_view_set_tab_key_action (MooTextView *view,
MooTextTabKeyAction action);
void moo_text_view_insert_placeholder (MooTextView *view,
GtkTextIter *iter);
gboolean moo_text_view_next_placeholder (MooTextView *view);