1 /*
2 * 0BSD
3 *
4 * BSD Zero Clause License
5 *
6 * Copyright (c) 2019 Hermann Meyer
7 *
8 * Permission to use, copy, modify, and/or distribute this software for any
9 * purpose with or without fee is hereby granted.
10
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
12 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
13 * AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
14 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
15 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
16 * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
17 * PERFORMANCE OF THIS SOFTWARE.
18 *
19 */
20
21
22 #include "xlistview.h"
23 #include "xlistview_private.h"
24 #include "xtooltip.h"
25 #include "xslider.h"
26
27
listview_set_active_entry(Widget_t * w,int active)28 void listview_set_active_entry(Widget_t *w, int active) {
29 if(active<0) return;
30 Widget_t* view_port = w->childlist->childs[0];
31 ViewList_t *filelist = (ViewList_t*)view_port->parent_struct;
32 float value = (float)active;
33 if (value>w->adj->max_value) value = w->adj->max_value;
34 else if (value<w->adj->min_value) value = w->adj->min_value;
35 filelist->active_item = (int)value;
36 adj_set_value(w->adj,filelist->active_item);
37 }
38
listview_unset_active_entry(Widget_t * w)39 void listview_unset_active_entry(Widget_t *w) {
40 Widget_t* view_port = w->childlist->childs[0];
41 ViewList_t *filelist = (ViewList_t*)view_port->parent_struct;
42 filelist->active_item = -1;
43 filelist->prelight_item = -1;
44 }
45
create_listview_viewport(Widget_t * parent,int elem,int width,int height)46 Widget_t* create_listview_viewport(Widget_t *parent, int elem, int width, int height) {
47 Widget_t *wid = create_widget(parent->app, parent, 0, 0, width, height);
48 XSelectInput(wid->app->dpy, wid->widget,StructureNotifyMask|ExposureMask|KeyPressMask
49 |EnterWindowMask|LeaveWindowMask|ButtonReleaseMask
50 |ButtonPressMask|Button1MotionMask|PointerMotionMask);
51 wid->scale.gravity = NORTHWEST;
52 ViewList_t *filelist;
53 filelist = (ViewList_t*)malloc(sizeof(ViewList_t));
54 filelist->show_items = elem;
55 filelist->check_dir = 0;
56 wid->flags |= HAS_MEM;
57 wid->parent_struct = filelist;
58 float max_value = -elem;
59 wid->adj_y = add_adjustment(wid,0.0, 0.0, 0.0, max_value,1.0, CL_VIEWPORT);
60 wid->adj = wid->adj_y;
61 wid->func.adj_callback = _set_listview_viewpoint;
62 wid->func.motion_callback = _list_motion;
63 wid->func.leave_callback = _leave_list;
64 wid->func.button_release_callback = _list_entry_released;
65 wid->func.double_click_callback = _list_entry_double_clicked;
66 wid->func.key_press_callback = _list_key_pressed;
67 wid->func.expose_callback = _draw_list;
68 wid->func.configure_notify_callback = _reconfigure_listview_viewport;
69 wid->func.map_notify_callback = _configure_listview;
70 wid->func.mem_free_callback = listview_mem_free;
71 return wid;
72 }
73
add_listview(Widget_t * parent,const char * label,int x,int y,int width,int height)74 Widget_t* add_listview(Widget_t *parent, const char * label,
75 int x, int y, int width, int height) {
76
77 Widget_t *wid = create_widget(parent->app, parent, x, y, width, height);
78 wid->label = label;
79 wid->scale.gravity = CENTER;
80 wid->flags &= ~USE_TRANSPARENCY;
81 wid->func.expose_callback = _draw_listview;
82 int elem = height/25;
83 wid->adj_y = add_adjustment(wid,0.0, 0.0, 0.0, -1.0,1.0, CL_NONE);
84 wid->adj = wid->adj_y;
85 Widget_t *viewport = create_listview_viewport(wid, elem, width-10, height);
86
87 ViewList_t *filelist = (ViewList_t*)viewport->parent_struct;
88 filelist->folder = surface_get_png(wid, filelist->folder, LDVAR(directory_png));
89 filelist->file = surface_get_png(wid, filelist->folder, LDVAR(file_png));
90 filelist->slider = add_vslider(wid, "", width-10, 0, 10, height);
91 filelist->slider->func.expose_callback = _draw_listviewslider;
92 filelist->slider->adj_y = add_adjustment(filelist->slider,0.0, 0.0, 0.0, 1.0,0.0085, CL_VIEWPORTSLIDER);
93 filelist->slider->adj = filelist->slider->adj_y;
94 filelist->slider->func.value_changed_callback = _set_listviewport;
95 filelist->slider->scale.gravity = WESTSOUTH;
96 filelist->slider->flags &= ~USE_TRANSPARENCY;
97 filelist->slider->flags |= NO_AUTOREPEAT | NO_PROPAGATE;
98 filelist->slider->parent_struct = viewport;
99
100 return wid;
101 }
102
listview_mem_free(void * w_,void * user_data)103 void listview_mem_free(void *w_, void* user_data) {
104 Widget_t *w = (Widget_t*)w_;
105 ViewList_t *filelist = (ViewList_t*)w->parent_struct;
106 cairo_surface_destroy(filelist->folder);
107 cairo_surface_destroy(filelist->file);
108 free(filelist);
109 }
110
listview_remove_list(Widget_t * listview)111 void listview_remove_list(Widget_t *listview) {
112 Widget_t* view_port = listview->childlist->childs[0];
113 ViewList_t *filelist = (ViewList_t*)view_port->parent_struct;
114 filelist->list_names = NULL;
115 filelist->list_size = 0;
116 XWindowAttributes attrs;
117 XGetWindowAttributes(listview->app->dpy, (Window)listview->widget, &attrs);
118 int height = attrs.height;
119 float elem = height/25;
120 set_adjustment(listview->adj,0.0, 0.0, 0.0, -1.0,1.0, CL_NONE);
121 set_adjustment(view_port->adj,0.0, 0.0, 0.0, -elem,1.0, CL_VIEWPORT);
122 adj_set_value(filelist->slider->adj,0.0);
123 }
124
listview_set_list(Widget_t * listview,char ** list,int list_size)125 void listview_set_list(Widget_t *listview, char **list, int list_size) {
126 Widget_t* view_port = listview->childlist->childs[0];
127 ViewList_t *filelist = (ViewList_t*)view_port->parent_struct;
128 filelist->list_names = list;
129 filelist->list_size = list_size;
130 set_adjustment(listview->adj,0.0, 0.0, 0.0, (float)(list_size-1.0),1.0, CL_NONE);
131 float max_value = view_port->adj->max_value+ (float)list_size;
132 set_adjustment(view_port->adj,0.0, 0.0, 0.0, max_value,1.0, CL_VIEWPORT);
133 _configure_listview(view_port, NULL);
134 }
135
listview_set_check_dir(Widget_t * listview,int set)136 void listview_set_check_dir(Widget_t *listview, int set) {
137 Widget_t* view_port = listview->childlist->childs[0];
138 ViewList_t *filelist = (ViewList_t*)view_port->parent_struct;
139 filelist->check_dir = set;
140 }
141