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- fix complete listbox messup by only updating in case it needs 

updating
- fix listbox selection breakage causing multiple programs to get
  uninstalled
- implemented sorting of entries
- much better debug strings
This commit is contained in:
Andreas Mohr 2002-03-19 02:03:58 +00:00 committed by Alexandre Julliard
parent 902540cf0b
commit 5333872105
1 changed files with 56 additions and 22 deletions
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78
programs/uninstaller/main.c
View File

@ -16,6 +16,9 @@
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* ToDo:
* - add search box for locating entries quickly
*/
@ -34,11 +37,12 @@
#define NULL_HANDLE 0
#endif
#undef DUMB_DEBUG
#ifdef DUMB_DEBUG
#include <stdio.h>
#define DEBUG(x) fprintf(stderr,x)
#define DEBUG(x...) fprintf(stderr,x)
#else
#define DEBUG(x)
#define DEBUG(x...)
#endif
/* use multi-select listbox */
@ -67,6 +71,8 @@ typedef struct {
uninst_entry *entries = NULL;
int numentries = 0;
int list_need_update = 1;
int oldsel = -1;
struct {
DWORD style;
@ -81,14 +87,14 @@ struct {
#define NUM (sizeof button/sizeof button[0])
int GetUninstallStrings(void);
int FetchUninstallInformation(void);
void UninstallProgram(void);
void ListUninstallPrograms(void)
{
int i;
if (! GetUninstallStrings())
if (! FetchUninstallInformation())
exit(1);
for (i=0; i < numentries; i++)
@ -100,7 +106,7 @@ void RemoveSpecificProgram(char *name)
{
int i;
if (! GetUninstallStrings())
if (! FetchUninstallInformation())
exit(1);
for (i=0; i < numentries; i++)
@ -178,7 +184,12 @@ int WINAPI WinMain( HINSTANCE hInst, HINSTANCE hPrevInst, LPSTR cmdline, int cmd
return msg.wParam;
}
int GetUninstallStrings(void)
int cmp_by_name(const void *a, const void *b)
{
return strcasecmp(((uninst_entry *)a)->descr, ((uninst_entry *)b)->descr);
}
int FetchUninstallInformation(void)
{
HKEY hkeyUninst, hkeyApp;
int i;
@ -188,6 +199,8 @@ int GetUninstallStrings(void)
char *p;
numentries = 0;
oldsel = -1;
if ( RegOpenKeyEx(HKEY_LOCAL_MACHINE, REGSTR_PATH_UNINSTALL,
0, KEY_READ, &hkeyUninst) != ERROR_SUCCESS )
{
@ -225,9 +238,11 @@ int GetUninstallStrings(void)
entries[numentries-1].active = 0;
RegQueryValueEx(hkeyApp, REGSTR_VAL_UNINSTALLER_COMMANDLINE, 0, 0,
entries[numentries-1].command, &uninstlen);
DEBUG("allocated entry #%d: '%s' ('%s'), '%s'\n", numentries, entries[numentries-1].key, entries[numentries-1].descr, entries[numentries-1].command);
}
RegCloseKey(hkeyApp);
}
qsort(entries, numentries, sizeof(uninst_entry), cmp_by_name);
RegCloseKey(hkeyUninst);
return 1;
}
@ -248,6 +263,7 @@ void UninstallProgram(void)
{
if (!(entries[i].active)) /* don't uninstall this one */
continue;
DEBUG("uninstalling '%s'\n", entries[i].descr);
memset(&si, 0, sizeof(STARTUPINFO));
si.cb = sizeof(STARTUPINFO);
si.wShowWindow = SW_NORMAL;
@ -256,7 +272,7 @@ void UninstallProgram(void)
{ /* wait for the process to exit */
WaitForSingleObject(info.hProcess, INFINITE);
res = GetExitCodeProcess(info.hProcess, &exit_code);
fprintf(stderr, "%d: %08lx\n", res, exit_code);
DEBUG("%d: %08lx\n", res, exit_code);
#ifdef DEL_REG_KEY
/* delete the program's uninstall entry */
if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, REGSTR_PATH_UNINSTALL,
@ -273,6 +289,8 @@ void UninstallProgram(void)
MessageBox(0, errormsg, appname, MB_OK);
}
}
DEBUG("finished uninstall phase.\n");
list_need_update = 1;
}
LRESULT WINAPI MainProc( HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
@ -288,11 +306,6 @@ LRESULT WINAPI MainProc( HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
switch( msg ) {
case WM_CREATE:
{
if (!(GetUninstallStrings()))
{
PostQuitMessage(0);
return 0;
}
hdc = GetDC(hWnd);
GetTextMetrics(hdc, &tm);
cxChar = tm.tmAveCharWidth;
@ -359,13 +372,28 @@ LRESULT WINAPI MainProc( HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
case WM_PAINT:
{
int prevsel = SendMessage(hwndList, LB_GETCURSEL, 0, 0);
SendMessage(hwndList, LB_RESETCONTENT, 0, 0);
SendMessage(hwndList, WM_SETREDRAW, FALSE, 0);
for (i=0; i < numentries; i++)
SendMessage(hwndList, LB_ADDSTRING, 0, (LPARAM)entries[i].descr);
SendMessage(hwndList, LB_SETCURSEL, prevsel, 0 );
SendMessage(hwndList, WM_SETREDRAW, TRUE, 0);
if (list_need_update)
{
int prevsel;
prevsel = SendMessage(hwndList, LB_GETCURSEL, 0, 0);
if (!(FetchUninstallInformation()))
{
PostQuitMessage(0);
return 0;
}
SendMessage(hwndList, LB_RESETCONTENT, 0, 0);
SendMessage(hwndList, WM_SETREDRAW, FALSE, 0);
for (i=0; i < numentries; i++)
{
DEBUG("adding '%s'\n", entries[i].descr);
SendMessage(hwndList, LB_ADDSTRING, 0, (LPARAM)entries[i].descr);
}
DEBUG("setting prevsel %d\n", prevsel);
if (prevsel != -1)
SendMessage(hwndList, LB_SETCURSEL, prevsel, 0 );
SendMessage(hwndList, WM_SETREDRAW, TRUE, 0);
list_need_update = 0;
}
hdc = BeginPaint( hWnd, &ps );
EndPaint( hWnd, &ps );
return 0;
@ -382,8 +410,17 @@ LRESULT WINAPI MainProc( HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
int sel = SendMessage(hwndList, LB_GETCURSEL, 0, 0);
#ifndef USE_MULTIPLESEL
if (oldsel != -1)
{
entries[oldsel].active ^= 1; /* toggle */
DEBUG("toggling %d old '%s'\n", entries[oldsel].active, entries[oldsel].descr);
}
#endif
entries[sel].active ^= 1; /* toggle */
DEBUG("toggling %d '%s'\n", entries[sel].active, entries[sel].descr);
SendMessage(hwndEdit, WM_SETTEXT, 0, (LPARAM)entries[sel].command);
oldsel = sel;
}
}
else
@ -391,9 +428,6 @@ LRESULT WINAPI MainProc( HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
UninstallProgram();
/* update listbox */
numentries = 0;
GetUninstallStrings();
InvalidateRect(hWnd, NULL, TRUE);
UpdateWindow(hWnd);