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comparison os2/dw.c @ 1198:1ef76e93db82

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Added a simulated indeterminate state on OS/2. A thread just moves the percent bar backwards in a loop. This same solution can be done for old versions of Windows which don't support indeterminate, but I am not sure if it is worth doing. Also updated the readme with these changes.
author bsmith@81767d24-ef19-dc11-ae90-00e081727c95
date Wed, 28 Sep 2011 17:46:49 +0000
parents cad6f7aa421c
children af4ca6ccbdff
comparison
equal deleted inserted replaced
1197:cad6f7aa421c 1198:1ef76e93db82
133 USHORT _GlobalID(void) 133 USHORT _GlobalID(void)
134 { 134 {
135 static USHORT GlobalID = 9999; 135 static USHORT GlobalID = 9999;
136 136
137 GlobalID++; 137 GlobalID++;
138 if(GlobalID >= 65535) 138 if(GlobalID >= 65534)
139 { 139 {
140 GlobalID = 10000; 140 GlobalID = 10000;
141 } 141 }
142 return GlobalID; 142 return GlobalID;
143 } 143 }
6722 void API dw_mle_thaw(HWND handle) 6722 void API dw_mle_thaw(HWND handle)
6723 { 6723 {
6724 WinSendMsg(handle, MLM_ENABLEREFRESH, 0, 0); 6724 WinSendMsg(handle, MLM_ENABLEREFRESH, 0, 0);
6725 } 6725 }
6726 6726
6727 /* 6727 /* Internal version that can be called from _percentthread */
6728 * Sets the percent bar position. 6728 void _dw_percent_set_pos(HWND handle, unsigned int position)
6729 * Parameters:
6730 * handle: Handle to the percent bar to be set.
6731 * position: Position of the percent bar withing the range.
6732 */
6733 void API dw_percent_set_pos(HWND handle, unsigned int position)
6734 { 6729 {
6735 int range = _dw_percent_get_range(handle); 6730 int range = _dw_percent_get_range(handle);
6736 6731
6737 /* OS/2 doesn't really support indeterminate... */ 6732 if(range)
6738 if(position == DW_PERCENT_INDETERMINATE) 6733 {
6739 {
6740 /* So set the position to 0 */
6741 WinSendMsg(handle, SLM_SETSLIDERINFO, MPFROM2SHORT(SMA_SLIDERARMPOSITION,SMA_RANGEVALUE), (MPARAM)0);
6742 }
6743 else if(range)
6744 {
6745 /* Otherwise set the position as usual */
6746 int mypos = (((float)position)/100)*range; 6734 int mypos = (((float)position)/100)*range;
6747 6735
6748 if(mypos >= range) 6736 if(mypos >= range)
6749 mypos = range - 1; 6737 mypos = range - 1;
6750 6738
6751 _dw_int_set(handle, mypos); 6739 _dw_int_set(handle, mypos);
6752 WinSendMsg(handle, SLM_SETSLIDERINFO, MPFROM2SHORT(SMA_SLIDERARMPOSITION,SMA_RANGEVALUE), (MPARAM)mypos); 6740 WinSendMsg(handle, SLM_SETSLIDERINFO, MPFROM2SHORT(SMA_SLIDERARMPOSITION,SMA_RANGEVALUE), (MPARAM)mypos);
6741 }
6742 }
6743
6744 /* Move the percentage bar backwards to simulate indeterminate */
6745 void _percentthread(void *data)
6746 {
6747 HWND percent = (HWND)data;
6748
6749 if(percent)
6750 {
6751 HAB thishab = WinInitialize(0);
6752 HMQ thishmq = WinCreateMsgQueue(dwhab, 0);
6753
6754 int pos = 100;
6755
6756 do
6757 {
6758 pos--;
6759 if(pos < 1)
6760 pos = 100;
6761 _dw_percent_set_pos(percent, pos);
6762 DosSleep(100);
6763 }
6764 while(dw_window_get_data(percent, "_dw_ind"));
6765
6766 WinDestroyMsgQueue(thishmq);
6767 WinTerminate(thishab);
6768 }
6769 }
6770
6771 /*
6772 * Sets the percent bar position.
6773 * Parameters:
6774 * handle: Handle to the percent bar to be set.
6775 * position: Position of the percent bar withing the range.
6776 */
6777 void API dw_percent_set_pos(HWND handle, unsigned int position)
6778 {
6779 /* OS/2 doesn't really support indeterminate... */
6780 if(position == DW_PERCENT_INDETERMINATE)
6781 {
6782 if(!dw_window_get_data(handle, "_dw_ind"))
6783 {
6784 /* So we fake it with a thread */
6785 dw_window_set_data(handle, "_dw_ind", (void *)1);
6786 _beginthread(_percentthread, NULL, 100, (void *)handle);
6787 }
6788 }
6789 else
6790 {
6791 /* Make sure we are no longer indeterminate */
6792 dw_window_set_data(handle, "_dw_ind", NULL);
6793 /* Otherwise set the position as usual */
6794 _dw_percent_set_pos(handle, position);
6753 } 6795 }
6754 } 6796 }
6755 6797
6756 /* 6798 /*
6757 * Returns the position of the slider. 6799 * Returns the position of the slider.