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

author: Perberos <[email protected]> 2011-12-01 22:24:23 -0300
committer: Perberos <[email protected]> 2011-12-01 22:24:23 -0300
commit: 0e004c696b0e68b2cff37a4c3315b022a35eaf43 (patch)
tree: 43261e815529cb9518ed7be37af13b846af8b26b /libcaja-private/caja-icon-private.h
download: caja-0e004c696b0e68b2cff37a4c3315b022a35eaf43.tar.bz2
caja-0e004c696b0e68b2cff37a4c3315b022a35eaf43.tar.xz
1 files changed, 336 insertions, 0 deletions
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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 */
author	Perberos <[email protected]>	2011-12-01 22:24:23 -0300
committer	Perberos <[email protected]>	2011-12-01 22:24:23 -0300
commit	0e004c696b0e68b2cff37a4c3315b022a35eaf43 (patch)
tree	43261e815529cb9518ed7be37af13b846af8b26b /libcaja-private/caja-icon-private.h
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