trunk/Src/wptListView.cpp

/* wptListView.cpp - Dynamic list view control
 *      Copyright (C) 2000-2006 Timo Schulz
 *      Copyright (C) 2004 Andreas Jobs
 *
 * This file is part of WinPT.
 *
 * WinPT is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License 
 * as published by the Free Software Foundation; either version 2 
 * of the License, or (at your option) any later version.
 *  
 * WinPT 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
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License 
 * along with WinPT; if not, write to the Free Software Foundation, 
 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <stdio.h>
#include <windows.h>
#include <commctrl.h>

#include "wptCommonCtl.h"
#include "wptW32API.h"
#include "wptVersion.h"
#include "wptErrors.h"
#include "wptTypes.h"
#include "wptGPG.h"
#include "wptKeylist.h"
#include "resource.h"


int
listview_new (listview_ctrl_t *ctx)
{
    struct listview_ctrl_s *c;

    c = new struct listview_ctrl_s;
    if (!c)
        BUG (NULL);
    c->cols = 0;
    c->items = 0;
    c->ctrl = NULL;
    c->hil = NULL;
    c->ext_chkbox = 0;
    *ctx = c;
    return 0;
}


void
listview_release (listview_ctrl_t ctx)
{
    if (!ctx)
        return;

    ctx->cols = 0;
    ctx->ctrl = NULL;
    ctx->items = 0;
    if (ctx->hil)
        ImageList_Destroy (ctx->hil);
    delete ctx;
} /* listview_release */


int
listview_add_column (listview_ctrl_t ctx, listview_column_t col)
{       
    int rc = 0;
    LV_COLUMN lvc;

    memset( &lvc, 0, sizeof lvc );
    lvc.mask = LVCF_TEXT | LVCF_WIDTH | LVCF_SUBITEM;
    lvc.pszText = col->fieldname;
    lvc.cx = col->width;
    lvc.fmt = LVCFMT_LEFT;
    lvc.iSubItem = col->pos;
    if( ListView_InsertColumn (ctx->ctrl, col->pos, &lvc) == -1)
        rc = 1;
    ctx->cols++;
    return rc;
} /* listview_add_column */


int 
listview_add_item_pos (listview_ctrl_t ctx, int pos)
{
    int rc = 0;
    LV_ITEM lvi;

    memset (&lvi, 0, sizeof lvi);
    lvi.iItem = pos;
    if (ListView_InsertItem (ctx->ctrl, &lvi) != pos)
        rc = -1;
    ctx->items++;
    return rc;
}


int
listview_add_item( listview_ctrl_t ctx, const char *text )
{
    int rc = 0;
    LV_ITEM lvi;

    memset( &lvi, 0, sizeof lvi );
    lvi.mask = LVIF_TEXT;
    lvi.pszText = (char *)text;
    rc = ListView_InsertItem( ctx->ctrl, &lvi );
    if( rc == -1 )
        rc = 1; 
    ctx->items++;
    return rc;
} /* listview_add_item */


int
listview_add_item_image (listview_ctrl_t ctx, const char *text, int image)
{
    int rc = 0;
    LV_ITEM lvi;

    memset( &lvi, 0, sizeof lvi );
    lvi.mask = LVIF_TEXT | LVIF_IMAGE;
    lvi.pszText = (char *)text;
    lvi.iImage = image;
    rc = ListView_InsertItem (ctx->ctrl, &lvi);
    if (rc == -1)
        rc = 1; 
    ctx->items++;
    return rc;
}


int
listview_add_item2 (listview_ctrl_t ctx, const char *text, void *magic)
{
    int rc = 0;
    LVITEM lvi;

    memset (&lvi, 0, sizeof (lvi));
    lvi.mask = LVIF_TEXT | LVIF_PARAM;
    lvi.pszText = (char *)text;
    lvi.lParam = (LPARAM)magic;
    rc = ListView_InsertItem (ctx->ctrl, &lvi);
    if (rc == -1)
        rc = 1; 
    ctx->items++;
    return rc;
} /* listview_add_item2 */


void*
listview_get_item2 (listview_ctrl_t ctx, int pos)
{
    LVITEM lvi;

    memset (&lvi, 0, sizeof lvi);
    lvi.mask = LVIF_PARAM;
    lvi.iItem = pos;
    ListView_GetItem (ctx->ctrl, &lvi);
    return (void*)lvi.lParam;
}

int
listview_set_item2 (listview_ctrl_t ctx, int pos, void *magic)
{
    LVITEM lvi;

    memset (&lvi, 0, sizeof (lvi));
    lvi.mask = LVIF_PARAM;
    lvi.iItem = pos;
    lvi.lParam = (LPARAM)magic;
    if (ListView_SetItem (ctx->ctrl, &lvi) == -1)
        return 1;
    return 0;
}


void
listview_add_sub_item( listview_ctrl_t ctx, int pos, int col, const char *text )
{       
    ListView_SetItemText( ctx->ctrl, pos, col, (char *)text );
} /* listview_add_sub_item */


int
listview_count_items( listview_ctrl_t ctx, int curr_sel )
{       
    int n;

    n = curr_sel? ListView_GetSelectedCount( ctx->ctrl ) :    
                  ListView_GetItemCount( ctx->ctrl );
    return n;
} /* listview_count_items */


int
listview_del_column (listview_ctrl_t ctx, int pos)
{
    ctx->cols--;
    return ListView_DeleteColumn (ctx->ctrl, pos)? 0 : 1;
}


/* Delete a single item from @ctx at position @pos. */
int
listview_del_item (listview_ctrl_t ctx, int pos)
{
    int rc = 0;

    if (ListView_DeleteItem (ctx->ctrl, pos) == -1)
        rc = 1;
    return rc;
}


/* Delete all selected items in @ctx. */
int
listview_del_sel_items (listview_ctrl_t ctx)
{       
    int i, n;

    n = listview_count_items (ctx, 0);
    for (i = n;  i > -1; i--) {
        if (listview_get_item_state (ctx, i))
            listview_del_item (ctx, i);
    }
    return 0;
}


int
listview_del_all_items (listview_ctrl_t ctx)
{       
    int rc = 0;

    if (ListView_DeleteAllItems (ctx->ctrl) == FALSE)
        rc = 1;
    return rc;
}


/* Return if the given element is selected or if the ext
   style is used, if the checkbox is activated. */
int
listview_get_item_state (listview_ctrl_t ctx, int pos)
{
    int ret;
    if (ctx->ext_chkbox)
        ret = ListView_GetCheckState (ctx->ctrl, pos);
    else
        ret = ListView_GetItemState (ctx->ctrl, pos, LVIS_SELECTED);
    return ret;
}


int
listview_sort_items( listview_ctrl_t ctx, int sortby, listview_cmp sort_cb )
{       
    HWND hheader;
    HDITEM hdi;
    int idx;

    ListView_SortItems (ctx->ctrl, sort_cb, sortby);
    hheader = ListView_GetHeader (ctx->ctrl);
    if (!hheader)
        return 0;

    /* Remove image from all header fields */
    memset (&hdi, 0, sizeof(hdi));

    for (int i=0; i < 7; i++) {
        hdi.mask = HDI_FORMAT;
        Header_GetItem (hheader, i, &hdi);
        hdi.fmt &= ~HDF_IMAGE;
        Header_SetItem (hheader, i, &hdi);
    }

    switch (sortby & ~KEYLIST_SORT_DESC) {
    case KEY_SORT_USERID:    idx = 0; break;
    case KEY_SORT_KEYID:     idx = 1; break;
    case KEY_SORT_IS_SECRET: idx = 2; break;
    case KEY_SORT_LEN:       idx = 3; break;
    case KEY_SORT_VALIDITY:  idx = 5; break;
    case KEY_SORT_OTRUST:    idx = 6; break;
    case KEY_SORT_CREATED:   idx = 7; break;
    case KEY_SORT_ALGO:      idx = 8; break;
    default:                 idx = 0; break;
    }

    /* Set image to currently sorted field */
    memset (&hdi, 0, sizeof(hdi));
    hdi.mask = HDI_IMAGE | HDI_FORMAT;
    Header_GetItem (hheader, idx, &hdi);
    hdi.fmt |= HDF_IMAGE | HDF_BITMAP_ON_RIGHT;
    hdi.iImage = imagelist_getindex((sortby & KEYLIST_SORT_DESC) ? 
                                    IMI_SORT_DOWNARROW : IMI_SORT_UPARROW);
    Header_SetItem (hheader, idx, &hdi);
    return 0;
} /* listview_sort_items */


int
listview_get_curr_pos( listview_ctrl_t ctx )
{       
    return ListView_GetNextItem( ctx->ctrl, -1, LVNI_SELECTED );
} /* listview_get_curr_pos */


int
listview_get_item_text (listview_ctrl_t ctx, int pos, int col, char *text,
                        int maxbytes)
{
    if (pos == -1) {
        pos = listview_get_curr_pos (ctx);
        if (pos == -1)
            return -1;
    }
    ListView_GetItemText (ctx->ctrl, pos, col, text, maxbytes);
    return 0;
} /* listview_get_item_text */


/* Use extended style with checkboxes for each item. */
void
listview_set_chkbox_style (listview_ctrl_t ctx)
{
    ListView_SetExtendedListViewStyle (ctx->ctrl, LVS_EX_CHECKBOXES);
    ctx->ext_chkbox = 1;
}


/* Use extended style to select the entire row. */
void
listview_set_ext_style (listview_ctrl_t ctx)
{       
    ListView_SetExtendedListViewStyle (ctx->ctrl, LVS_EX_FULLROWSELECT);
}


int
listview_set_column_order( listview_ctrl_t ctx, int *array )
{       
    return ListView_SetColumnOrderArray( ctx->ctrl, ctx->cols, array );
} /* listview_set_column_order */


void
listview_select_all (listview_ctrl_t ctx)
{       
    ListView_SetItemState( ctx->ctrl, -1, LVIS_SELECTED, LVIS_SELECTED );
} /* listview_select_all */


void
listview_deselect_all (listview_ctrl_t ctx)
{
    ListView_SetItemState (ctx->ctrl, -1, ~LVNI_SELECTED, LVNI_SELECTED);
}


void
listview_select_one (listview_ctrl_t ctx, int pos)
{
    ListView_SetItemState (ctx->ctrl, pos, LVIS_SELECTED|LVIS_FOCUSED, LVIS_FOCUSED|LVIS_SELECTED);
}


void
listview_scroll (listview_ctrl_t ctx, int oldpos, int newpos)
{    
    const int size=14;
    
    if (oldpos == -1)
        oldpos = 0;
    //log_box ("debug", 0, "oldpos=%d newpos=%d diff=%d", oldpos, newpos, newpos-oldpos);
    ListView_Scroll (ctx->ctrl, 0, (newpos-oldpos)*size);
}


int
listview_find (listview_ctrl_t ctx, const char * str)
{
    LVFINDINFO inf;
    int pos;

    memset (&inf, 0, sizeof (inf));
    inf.flags = LVFI_STRING|LVFI_PARTIAL;
    inf.psz = str;
    pos = ListView_FindItem (ctx->ctrl, -1, &inf);
    return pos;
}


void
listview_setview (listview_ctrl_t ctx, DWORD view)
{
    DWORD style = GetWindowLong (ctx->ctrl, GWL_STYLE);
    if ((style & LVS_TYPEMASK) != view)
        SetWindowLong (ctx->ctrl, GWL_STYLE, (style & ~LVS_TYPEMASK) | view);
}


void
listview_set_image_list (listview_ctrl_t ctx, int cx, int cy, 
                         HICON *ico, DWORD nicons)
{
    HIMAGELIST hil;
    DWORD i;

    if (cx == 0 || cy == 0)
        cx = cy = 16;

    hil = ImageList_Create (cx, cy, ILC_COLOR8|ILC_MASK, nicons, 1);
    ImageList_SetBkColor (hil, CLR_NONE);
    for (i=0; i < nicons; i++)
        ImageList_AddIcon (hil, ico[i]);    
    ListView_SetImageList (ctx->ctrl, hil, LVSIL_SMALL);    
}
    
1	/* wptListView.cpp - Dynamic list view control
2	* Copyright (C) 2000-2006 Timo Schulz
3	* Copyright (C) 2004 Andreas Jobs
4	*
5	* This file is part of WinPT.
6	*
7	* WinPT is free software; you can redistribute it and/or
8	* modify it under the terms of the GNU General Public License
9	* as published by the Free Software Foundation; either version 2
10	* of the License, or (at your option) any later version.
11	*
12	* WinPT is distributed in the hope that it will be useful,
13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15	* General Public License for more details.
16	*
17	* You should have received a copy of the GNU General Public License
18	* along with WinPT; if not, write to the Free Software Foundation,
19	* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20	*/
21
22	#ifdef HAVE_CONFIG_H
23	#include <config.h>
24	#endif
25
26	#include <stdio.h>
27	#include <windows.h>
28	#include <commctrl.h>
29
30	#include "wptCommonCtl.h"
31	#include "wptW32API.h"
32	#include "wptVersion.h"
33	#include "wptErrors.h"
34	#include "wptTypes.h"
35	#include "wptGPG.h"
36	#include "wptKeylist.h"
37	#include "resource.h"
38
39
40	int
41	listview_new (listview_ctrl_t *ctx)
42	{
43	struct listview_ctrl_s *c;
44
45	c = new struct listview_ctrl_s;
46	if (!c)
47	BUG (NULL);
48	c->cols = 0;
49	c->items = 0;
50	c->ctrl = NULL;
51	c->hil = NULL;
52	c->ext_chkbox = 0;
53	*ctx = c;
54	return 0;
55	}
56
57
58	void
59	listview_release (listview_ctrl_t ctx)
60	{
61	if (!ctx)
62	return;
63
64	ctx->cols = 0;
65	ctx->ctrl = NULL;
66	ctx->items = 0;
67	if (ctx->hil)
68	ImageList_Destroy (ctx->hil);
69	delete ctx;
70	} /* listview_release */
71
72
73	int
74	listview_add_column (listview_ctrl_t ctx, listview_column_t col)
75	{
76	int rc = 0;
77	LV_COLUMN lvc;
78
79	memset( &lvc, 0, sizeof lvc );
80	lvc.mask = LVCF_TEXT \| LVCF_WIDTH \| LVCF_SUBITEM;
81	lvc.pszText = col->fieldname;
82	lvc.cx = col->width;
83	lvc.fmt = LVCFMT_LEFT;
84	lvc.iSubItem = col->pos;
85	if( ListView_InsertColumn (ctx->ctrl, col->pos, &lvc) == -1)
86	rc = 1;
87	ctx->cols++;
88	return rc;
89	} /* listview_add_column */
90
91
92	int
93	listview_add_item_pos (listview_ctrl_t ctx, int pos)
94	{
95	int rc = 0;
96	LV_ITEM lvi;
97
98	memset (&lvi, 0, sizeof lvi);
99	lvi.iItem = pos;
100	if (ListView_InsertItem (ctx->ctrl, &lvi) != pos)
101	rc = -1;
102	ctx->items++;
103	return rc;
104	}
105
106
107	int
108	listview_add_item( listview_ctrl_t ctx, const char *text )
109	{
110	int rc = 0;
111	LV_ITEM lvi;
112
113	memset( &lvi, 0, sizeof lvi );
114	lvi.mask = LVIF_TEXT;
115	lvi.pszText = (char *)text;
116	rc = ListView_InsertItem( ctx->ctrl, &lvi );
117	if( rc == -1 )
118	rc = 1;
119	ctx->items++;
120	return rc;
121	} /* listview_add_item */
122
123
124	int
125	listview_add_item_image (listview_ctrl_t ctx, const char *text, int image)
126	{
127	int rc = 0;
128	LV_ITEM lvi;
129
130	memset( &lvi, 0, sizeof lvi );
131	lvi.mask = LVIF_TEXT \| LVIF_IMAGE;
132	lvi.pszText = (char *)text;
133	lvi.iImage = image;
134	rc = ListView_InsertItem (ctx->ctrl, &lvi);
135	if (rc == -1)
136	rc = 1;
137	ctx->items++;
138	return rc;
139	}
140
141
142	int
143	listview_add_item2 (listview_ctrl_t ctx, const char text, void magic)
144	{
145	int rc = 0;
146	LVITEM lvi;
147
148	memset (&lvi, 0, sizeof (lvi));
149	lvi.mask = LVIF_TEXT \| LVIF_PARAM;
150	lvi.pszText = (char *)text;
151	lvi.lParam = (LPARAM)magic;
152	rc = ListView_InsertItem (ctx->ctrl, &lvi);
153	if (rc == -1)
154	rc = 1;
155	ctx->items++;
156	return rc;
157	} /* listview_add_item2 */
158
159
160	void*
161	listview_get_item2 (listview_ctrl_t ctx, int pos)
162	{
163	LVITEM lvi;
164
165	memset (&lvi, 0, sizeof lvi);
166	lvi.mask = LVIF_PARAM;
167	lvi.iItem = pos;
168	ListView_GetItem (ctx->ctrl, &lvi);
169	return (void*)lvi.lParam;
170	}
171
172	int
173	listview_set_item2 (listview_ctrl_t ctx, int pos, void *magic)
174	{
175	LVITEM lvi;
176
177	memset (&lvi, 0, sizeof (lvi));
178	lvi.mask = LVIF_PARAM;
179	lvi.iItem = pos;
180	lvi.lParam = (LPARAM)magic;
181	if (ListView_SetItem (ctx->ctrl, &lvi) == -1)
182	return 1;
183	return 0;
184	}
185
186
187	void
188	listview_add_sub_item( listview_ctrl_t ctx, int pos, int col, const char *text )
189	{
190	ListView_SetItemText( ctx->ctrl, pos, col, (char *)text );
191	} /* listview_add_sub_item */
192
193
194	int
195	listview_count_items( listview_ctrl_t ctx, int curr_sel )
196	{
197	int n;
198
199	n = curr_sel? ListView_GetSelectedCount( ctx->ctrl ) :
200	ListView_GetItemCount( ctx->ctrl );
201	return n;
202	} /* listview_count_items */
203
204
205	int
206	listview_del_column (listview_ctrl_t ctx, int pos)
207	{
208	ctx->cols--;
209	return ListView_DeleteColumn (ctx->ctrl, pos)? 0 : 1;
210	}
211
212
213	/* Delete a single item from @ctx at position @pos. */
214	int
215	listview_del_item (listview_ctrl_t ctx, int pos)
216	{
217	int rc = 0;
218
219	if (ListView_DeleteItem (ctx->ctrl, pos) == -1)
220	rc = 1;
221	return rc;
222	}
223
224
225	/* Delete all selected items in @ctx. */
226	int
227	listview_del_sel_items (listview_ctrl_t ctx)
228	{
229	int i, n;
230
231	n = listview_count_items (ctx, 0);
232	for (i = n; i > -1; i--) {
233	if (listview_get_item_state (ctx, i))
234	listview_del_item (ctx, i);
235	}
236	return 0;
237	}
238
239
240	int
241	listview_del_all_items (listview_ctrl_t ctx)
242	{
243	int rc = 0;
244
245	if (ListView_DeleteAllItems (ctx->ctrl) == FALSE)
246	rc = 1;
247	return rc;
248	}
249
250
251	/* Return if the given element is selected or if the ext
252	style is used, if the checkbox is activated. */
253	int
254	listview_get_item_state (listview_ctrl_t ctx, int pos)
255	{
256	int ret;
257	if (ctx->ext_chkbox)
258	ret = ListView_GetCheckState (ctx->ctrl, pos);
259	else
260	ret = ListView_GetItemState (ctx->ctrl, pos, LVIS_SELECTED);
261	return ret;
262	}
263
264
265	int
266	listview_sort_items( listview_ctrl_t ctx, int sortby, listview_cmp sort_cb )
267	{
268	HWND hheader;
269	HDITEM hdi;
270	int idx;
271
272	ListView_SortItems (ctx->ctrl, sort_cb, sortby);
273	hheader = ListView_GetHeader (ctx->ctrl);
274	if (!hheader)
275	return 0;
276
277	/* Remove image from all header fields */
278	memset (&hdi, 0, sizeof(hdi));
279
280	for (int i=0; i < 7; i++) {
281	hdi.mask = HDI_FORMAT;
282	Header_GetItem (hheader, i, &hdi);
283	hdi.fmt &= ~HDF_IMAGE;
284	Header_SetItem (hheader, i, &hdi);
285	}
286
287	switch (sortby & ~KEYLIST_SORT_DESC) {
288	case KEY_SORT_USERID: idx = 0; break;
289	case KEY_SORT_KEYID: idx = 1; break;
290	case KEY_SORT_IS_SECRET: idx = 2; break;
291	case KEY_SORT_LEN: idx = 3; break;
292	case KEY_SORT_VALIDITY: idx = 5; break;
293	case KEY_SORT_OTRUST: idx = 6; break;
294	case KEY_SORT_CREATED: idx = 7; break;
295	case KEY_SORT_ALGO: idx = 8; break;
296	default: idx = 0; break;
297	}
298
299	/* Set image to currently sorted field */
300	memset (&hdi, 0, sizeof(hdi));
301	hdi.mask = HDI_IMAGE \| HDI_FORMAT;
302	Header_GetItem (hheader, idx, &hdi);
303	hdi.fmt \|= HDF_IMAGE \| HDF_BITMAP_ON_RIGHT;
304	hdi.iImage = imagelist_getindex((sortby & KEYLIST_SORT_DESC) ?
305	IMI_SORT_DOWNARROW : IMI_SORT_UPARROW);
306	Header_SetItem (hheader, idx, &hdi);
307	return 0;
308	} /* listview_sort_items */
309
310
311	int
312	listview_get_curr_pos( listview_ctrl_t ctx )
313	{
314	return ListView_GetNextItem( ctx->ctrl, -1, LVNI_SELECTED );
315	} /* listview_get_curr_pos */
316
317
318	int
319	listview_get_item_text (listview_ctrl_t ctx, int pos, int col, char *text,
320	int maxbytes)
321	{
322	if (pos == -1) {
323	pos = listview_get_curr_pos (ctx);
324	if (pos == -1)
325	return -1;
326	}
327	ListView_GetItemText (ctx->ctrl, pos, col, text, maxbytes);
328	return 0;
329	} /* listview_get_item_text */
330
331
332	/* Use extended style with checkboxes for each item. */
333	void
334	listview_set_chkbox_style (listview_ctrl_t ctx)
335	{
336	ListView_SetExtendedListViewStyle (ctx->ctrl, LVS_EX_CHECKBOXES);
337	ctx->ext_chkbox = 1;
338	}
339
340
341	/* Use extended style to select the entire row. */
342	void
343	listview_set_ext_style (listview_ctrl_t ctx)
344	{
345	ListView_SetExtendedListViewStyle (ctx->ctrl, LVS_EX_FULLROWSELECT);
346	}
347
348
349	int
350	listview_set_column_order( listview_ctrl_t ctx, int *array )
351	{
352	return ListView_SetColumnOrderArray( ctx->ctrl, ctx->cols, array );
353	} /* listview_set_column_order */
354
355
356	void
357	listview_select_all (listview_ctrl_t ctx)
358	{
359	ListView_SetItemState( ctx->ctrl, -1, LVIS_SELECTED, LVIS_SELECTED );
360	} /* listview_select_all */
361
362
363	void
364	listview_deselect_all (listview_ctrl_t ctx)
365	{
366	ListView_SetItemState (ctx->ctrl, -1, ~LVNI_SELECTED, LVNI_SELECTED);
367	}
368
369
370	void
371	listview_select_one (listview_ctrl_t ctx, int pos)
372	{
373	ListView_SetItemState (ctx->ctrl, pos, LVIS_SELECTED\|LVIS_FOCUSED, LVIS_FOCUSED\|LVIS_SELECTED);
374	}
375
376
377	void
378	listview_scroll (listview_ctrl_t ctx, int oldpos, int newpos)
379	{
380	const int size=14;
381
382	if (oldpos == -1)
383	oldpos = 0;
384	//log_box ("debug", 0, "oldpos=%d newpos=%d diff=%d", oldpos, newpos, newpos-oldpos);
385	ListView_Scroll (ctx->ctrl, 0, (newpos-oldpos)*size);
386	}
387
388
389	int
390	listview_find (listview_ctrl_t ctx, const char * str)
391	{
392	LVFINDINFO inf;
393	int pos;
394
395	memset (&inf, 0, sizeof (inf));
396	inf.flags = LVFI_STRING\|LVFI_PARTIAL;
397	inf.psz = str;
398	pos = ListView_FindItem (ctx->ctrl, -1, &inf);
399	return pos;
400	}
401
402
403	void
404	listview_setview (listview_ctrl_t ctx, DWORD view)
405	{
406	DWORD style = GetWindowLong (ctx->ctrl, GWL_STYLE);
407	if ((style & LVS_TYPEMASK) != view)
408	SetWindowLong (ctx->ctrl, GWL_STYLE, (style & ~LVS_TYPEMASK) \| view);
409	}
410
411
412	void
413	listview_set_image_list (listview_ctrl_t ctx, int cx, int cy,
414	HICON *ico, DWORD nicons)
415	{
416	HIMAGELIST hil;
417	DWORD i;
418
419	if (cx == 0 \|\| cy == 0)
420	cx = cy = 16;
421
422	hil = ImageList_Create (cx, cy, ILC_COLOR8\|ILC_MASK, nicons, 1);
423	ImageList_SetBkColor (hil, CLR_NONE);
424	for (i=0; i < nicons; i++)
425	ImageList_AddIcon (hil, ico[i]);
426	ListView_SetImageList (ctx->ctrl, hil, LVSIL_SMALL);
427	}
428