moving from https://github.com/perberos/mate-desktop-environment

1 files changed, 336 insertions, 0 deletions

diff --git a/libcaja-private/caja-icon-private.h b/libcaja-private/caja-icon-private.h
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+++ b/libcaja-private/caja-icon-private.h
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+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+/* mate-icon-container-private.h
+
+   Copyright (C) 1999, 2000 Free Software Foundation
+   Copyright (C) 2000 Eazel, Inc.
+
+   The Mate Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The Mate Library 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the Mate Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+
+   Author: Ettore Perazzoli <[email protected]>
+*/
+
+#ifndef CAJA_ICON_CONTAINER_PRIVATE_H
+#define CAJA_ICON_CONTAINER_PRIVATE_H
+
+#include <eel/eel-glib-extensions.h>
+#include <libcaja-private/caja-icon-canvas-item.h>
+#include <libcaja-private/caja-icon-container.h>
+#include <libcaja-private/caja-icon-dnd.h>
+
+/* An Icon. */
+
+typedef struct
+{
+    /* Object represented by this icon. */
+    CajaIconData *data;
+
+    /* Canvas item for the icon. */
+    CajaIconCanvasItem *item;
+
+    /* X/Y coordinates. */
+    double x, y;
+
+    /*
+     * In RTL mode x is RTL x position, we use saved_ltr_x for
+     * keeping track of x value before it gets converted into
+     * RTL value, this is used for saving the icon position
+     * to the caja metafile.
+     */
+    double saved_ltr_x;
+
+    /* Scale factor (stretches icon). */
+    double scale;
+
+    /* Whether this item is selected. */
+    eel_boolean_bit is_selected : 1;
+
+    /* Whether this item was selected before rubberbanding. */
+    eel_boolean_bit was_selected_before_rubberband : 1;
+
+    /* Whether this item is visible in the view. */
+    eel_boolean_bit is_visible : 1;
+
+    /* Whether a monitor was set on this icon. */
+    eel_boolean_bit is_monitored : 1;
+
+    eel_boolean_bit has_lazy_position : 1;
+} CajaIcon;
+
+
+/* Private CajaIconContainer members. */
+
+typedef struct
+{
+    gboolean active;
+
+    double start_x, start_y;
+
+    EelCanvasItem *selection_rectangle;
+
+    guint timer_id;
+
+    guint prev_x, prev_y;
+    EelDRect prev_rect;
+    int last_adj_x;
+    int last_adj_y;
+} CajaIconRubberbandInfo;
+
+typedef enum
+{
+    DRAG_STATE_INITIAL,
+    DRAG_STATE_MOVE_OR_COPY,
+    DRAG_STATE_STRETCH
+} DragState;
+
+typedef struct
+{
+    /* Pointer position in canvas coordinates. */
+    int pointer_x, pointer_y;
+
+    /* Icon top, left, and size in canvas coordinates. */
+    int icon_x, icon_y;
+    guint icon_size;
+} StretchState;
+
+typedef enum
+{
+    AXIS_NONE,
+    AXIS_HORIZONTAL,
+    AXIS_VERTICAL
+} Axis;
+
+enum
+{
+    LABEL_COLOR,
+    LABEL_COLOR_HIGHLIGHT,
+    LABEL_COLOR_ACTIVE,
+    LABEL_COLOR_PRELIGHT,
+    LABEL_INFO_COLOR,
+    LABEL_INFO_COLOR_HIGHLIGHT,
+    LABEL_INFO_COLOR_ACTIVE,
+    LAST_LABEL_COLOR
+};
+
+struct CajaIconContainerDetails
+{
+    /* List of icons. */
+    GList *icons;
+    GList *new_icons;
+    GHashTable *icon_set;
+
+    /* Current icon for keyboard navigation. */
+    CajaIcon *keyboard_focus;
+    CajaIcon *keyboard_rubberband_start;
+
+    /* Current icon with stretch handles, so we have only one. */
+    CajaIcon *stretch_icon;
+    double stretch_initial_x, stretch_initial_y;
+    guint stretch_initial_size;
+
+    /* Last highlighted drop target. */
+    CajaIcon *drop_target;
+
+    /* Rubberbanding status. */
+    CajaIconRubberbandInfo rubberband_info;
+
+    /* Timeout used to make a selected icon fully visible after a short
+     * period of time. (The timeout is needed to make sure
+     * double-clicking still works.)
+     */
+    guint keyboard_icon_reveal_timer_id;
+    CajaIcon *keyboard_icon_to_reveal;
+
+    /* Used to coalesce selection changed signals in some cases */
+    guint selection_changed_id;
+
+    /* If a request is made to reveal an unpositioned icon we remember
+     * it and reveal it once it gets positioned (in relayout).
+     */
+    CajaIcon *pending_icon_to_reveal;
+
+    /* If a request is made to rename an unpositioned icon we remember
+     * it and start renaming it once it gets positioned (in relayout).
+     */
+    CajaIcon *pending_icon_to_rename;
+
+    /* Remembered information about the start of the current event. */
+    guint32 button_down_time;
+
+    /* Drag state. Valid only if drag_button is non-zero. */
+    guint drag_button;
+    CajaIcon *drag_icon;
+    int drag_x, drag_y;
+    DragState drag_state;
+    gboolean drag_started;
+    StretchState stretch_start;
+    gboolean drag_allow_moves;
+
+    gboolean icon_selected_on_button_down;
+    CajaIcon *double_click_icon[2]; /* Both clicks in a double click need to be on the same icon */
+    guint double_click_button[2];
+
+    CajaIcon *range_selection_base_icon;
+
+    /* Renaming Details */
+    gboolean renaming;
+    GtkWidget *rename_widget;	/* Editable text item */
+    char *original_text;			/* Copy of editable text for later compare */
+
+    /* Idle ID. */
+    guint idle_id;
+
+    /* Idle handler for stretch code */
+    guint stretch_idle_id;
+
+    /* Align idle id */
+    guint align_idle_id;
+
+    /* DnD info. */
+    CajaIconDndInfo *dnd_info;
+
+    /* zoom level */
+    int zoom_level;
+
+    /* specific fonts used to draw labels */
+    char *font;
+
+    /* font sizes used to draw labels */
+    int font_size_table[CAJA_ZOOM_LEVEL_LARGEST + 1];
+
+    /* pixbuf and color for label highlighting */
+    guint32    highlight_color_rgba;
+    guint32    active_color_rgba;
+    guint32    normal_color_rgba;
+    guint32    prelight_color_rgba;
+    guint32    prelight_icon_color_rgba;
+    guint32    normal_icon_color_rgba;
+
+    /* colors for text labels */
+    GdkGC   *label_gcs    [LAST_LABEL_COLOR];
+    GdkColor label_colors [LAST_LABEL_COLOR];
+
+    /* State used so arrow keys don't wander if icons aren't lined up.
+     */
+    int arrow_key_start_x;
+    int arrow_key_start_y;
+    GtkDirectionType arrow_key_direction;
+
+    /* Mode settings. */
+    gboolean single_click_mode;
+    gboolean auto_layout;
+    gboolean tighter_layout;
+
+    /* Whether for the vertical layout, all columns are supposed to
+     * have the same width. */
+    gboolean all_columns_same_width;
+
+    /* Layout mode */
+    CajaIconLayoutMode layout_mode;
+
+    /* Label position */
+    CajaIconLabelPosition label_position;
+
+    /* Forced icon size, iff greater than 0 */
+    int forced_icon_size;
+
+    /* Should the container keep icons aligned to a grid */
+    gboolean keep_aligned;
+
+    /* Set to TRUE after first allocation has been done */
+    gboolean has_been_allocated;
+
+    int size_allocation_count;
+    guint size_allocation_count_id;
+
+    /* Is the container fixed or resizable */
+    gboolean is_fixed_size;
+
+    /* Is the container for a desktop window */
+    gboolean is_desktop;
+
+    /* Ignore the visible area the next time the scroll region is recomputed */
+    gboolean reset_scroll_region_trigger;
+
+    /* The position we are scaling to on stretch */
+    double world_x;
+    double world_y;
+
+    /* margins to follow, used for the desktop panel avoidance */
+    int left_margin;
+    int right_margin;
+    int top_margin;
+    int bottom_margin;
+
+    /* Whether we should use drop shadows for the icon labels or not */
+    gboolean use_drop_shadows;
+    gboolean drop_shadows_requested;
+
+    /* a11y items used by canvas items */
+    guint a11y_item_action_idle_handler;
+    GQueue* a11y_item_action_queue;
+
+    eel_boolean_bit is_loading : 1;
+
+    eel_boolean_bit store_layout_timestamps : 1;
+    eel_boolean_bit store_layout_timestamps_when_finishing_new_icons : 1;
+    time_t layout_timestamp;
+
+    /* interactive search */
+    gboolean disable_popdown;
+    gboolean imcontext_changed;
+    int selected_iter;
+    GtkWidget *search_window;
+    GtkWidget *search_entry;
+    guint search_entry_changed_id;
+    guint typeselect_flush_timeout;
+};
+
+/* Private functions shared by mutiple files. */
+CajaIcon *caja_icon_container_get_icon_by_uri             (CajaIconContainer *container,
+        const char            *uri);
+void          caja_icon_container_move_icon                   (CajaIconContainer *container,
+        CajaIcon          *icon,
+        int                    x,
+        int                    y,
+        double                 scale,
+        gboolean               raise,
+        gboolean               snap,
+        gboolean		  update_position);
+void          caja_icon_container_select_list_unselect_others (CajaIconContainer *container,
+        GList                 *icons);
+char *        caja_icon_container_get_icon_uri                (CajaIconContainer *container,
+        CajaIcon          *icon);
+char *        caja_icon_container_get_icon_drop_target_uri    (CajaIconContainer *container,
+        CajaIcon          *icon);
+void          caja_icon_container_update_icon                 (CajaIconContainer *container,
+        CajaIcon          *icon);
+gboolean      caja_icon_container_has_stored_icon_positions   (CajaIconContainer *container);
+gboolean      caja_icon_container_emit_preview_signal         (CajaIconContainer *view,
+        CajaIcon          *icon,
+        gboolean               start_flag);
+gboolean      caja_icon_container_scroll                      (CajaIconContainer *container,
+        int                    delta_x,
+        int                    delta_y);
+void          caja_icon_container_update_scroll_region        (CajaIconContainer *container);
+
+/* label color for items */
+GdkGC        *caja_icon_container_get_label_color_and_gc      (CajaIconContainer *container,
+        GdkColor             **color,
+        gboolean               first_line,
+        gboolean               needs_highlight,
+        gboolean		     is_prelit);
+
+#endif /* CAJA_ICON_CONTAINER_PRIVATE_H */