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path: root/c/episodelistview.cpp
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2022-08-06Use Swprintf instead of swprintf_s.John Ankarström
2022-08-06Update Hungarian notation for buffer sizes.John Ankarström
For string lengths EXCLUDING NUL, I use len, whereas cb and cch are used for string lengths INCLUDING NUL. cb = byte count = sizeof(a) = narrow string length cch = character count = sizeof(a)/sizeof(*a) = string length cb and cch are equivalent for narrow strings. I prefer cch.
2022-08-04Use C++ casts, nullptr.John Ankarström
2022-08-04Add comments.John Ankarström
2022-08-03Minor changes.John Ankarström
2022-08-03Use Pascal case for all functions.John Ankarström
2022-08-03Split common.h to util.h, wcharptr.h and win.h.John Ankarström
2022-08-02Improve wstring_owner, rename to wchar_ptr.John Ankarström
The user-defined conversion function makes the interface a lot simpler AND safer.
2022-07-31Limit use of Hungarian notation.John Ankarström
I don't hate Hungarian notation. It has some very nice qualities. But it also adds a lot of typing. That said, not using it feels a bit... unsafe. I might go back on this decision. We'll see.
2022-07-31Improve initial scroll position.John Ankarström
(When the focused episode is near the end of the list.)
2022-07-30Simplify EpisodeListView::UpdateItem, remove m_lviFocus.John Ankarström
2022-07-30Add wstring_owner, replacing std::wstring.John Ankarström
std::basic_string is nice, but it is not very ergonomic if everything you really need is to automatically free C strings at end of scope. I suppose I could have used std::unique_ptr for this, but I suspect the ergonomics would be worse.
2022-07-30Formatting.John Ankarström
This style is more compact and quicker to read once you know what the first two member in LVITEM are (mask and iItem).
2022-07-29Add ListView::FindNextItem.John Ankarström
This makes it much more ergonomic and less error-prone to look up list view items.
2022-07-27Fix remaining memory bugs.John Ankarström
See f7534e2.
2022-07-27Fix memory bug.John Ankarström
swprintf_s excepts the NUMBER of characters, not the SIZE of the buffer. The argument is named sizeOfBuffer in the documentation, but don't let that fool you (like it did me). Interestingly enough, this bug causes a crash ONLY when compiling WITHOUT optimizations (at least on my system). The crash was introduced in 3a133c4, where I removed the `static' attribute from tszRating. I guess the optimizer moves the memory around such that the memory after the string happens to be unimportant.
2022-07-26Rewrite WM_MENUSELECT handling.John Ankarström
2022-07-26Use 's' instead of 'str' for as prefix for managed strings.John Ankarström
2022-07-26Remove ANSI compatibility.John Ankarström
Even though it is a fun challange in many ways, I think that, realistically, it is probably not worth the complexity. The Prolog backend isn't ANSI-compatible either.
2022-07-24Use Query object in DataListView::ShowEpisode.John Ankarström
2022-07-24Reorganize EpisodeListView::Update.John Ankarström
2022-07-24Use std::vector for tracking selected episodes.John Ankarström
This also fixes an off-by-one error leading to an out-of-bounds write.
2022-07-24Improve window layout.John Ankarström
This reverts much of 97f0a27. 1. It turns out not to be a good idea to resize the list view columns based on the list view window's own rectangle, as it will change depending on whether a scrollbar is visible. The problem is that resizing the columns may add a horizontal scrollbar -- which in turn may add a vertical scrollbar. 2. The WS_EX_CLIENTEDGE style does not look very good in "modern" (non-classic) themes. In 97f0a27, I tried solving this by extending the dimensions of the child windows such that their edges were hidden. However, this type of overlapping causes problems with the status bar. My new solution is to instead *reduce* the child windows' dimensions. This achieves a visual impression similar to the thicker (more well-designed) edges of the "classically themed" list view control. To make it look even better, the main window background is changed from COLOR_WINDOWFRAME (white) to COLOR_WINDOW (light gray).
2022-07-23Fix display of Unicode text.John Ankarström
Turns out that SWI-Prolog's wide string functions, which I started using in 03fe361, do not convert between narrow Prolog atoms and wide C strings, as I mistakenly thought. Instead, they work with wide Prolog atoms. In hindsight, it is not surprising.
2022-07-23Improve UpdateLayout and ResizeColumns.John Ankarström
This incidentally removes the need for the variable template introduced by 21e96c6. I'm sure it will be needed at some point, though.
2022-07-22Cache GetSystemMetrics values with variable template.John Ankarström
The variable template could be generalized like this: template <auto F, auto... A> const auto cache = F(A...); and instantiated like: cache<GetSystemMetrics, SM_CXVSCROLL> It would still be limited to constant function arguments, which usually isn't a problem for GetSystemMetrics, but might be for other functions.
2022-07-20Simplify UpdateLayout.John Ankarström
2022-07-20Simplify require, prefer.John Ankarström
2022-07-20Fix ANSI compatibility.John Ankarström
It's not very useful, but it's a fun exercise.
2022-07-20Fix bug in and rename throw_nil, warn_nil.John Ankarström
In warn_nil, the return value was undefined on exception -- I think. While informative, the names throw_nil and warn_nil don't work very well in conditionals: if (warn_nil<f>(...)) g(); sounds like g should be called if f returns nil and a warning is issued. But it is actually the other way around; g is called if f is successful. if (prefer<f>(...)) g(); sounds less like that.
2022-07-19Check Windows API calls for errors more consistently.John Ankarström
Some of the checks are likely redundant, but the Windows API documentation rarely makes it clear WHICH errors may be returned (and under which circumstances) rather than simply WHETHER errors may be returned (under any circumstances, including those that do not apply in the given case).
2022-07-19Use static member function instead of friend function.John Ankarström
2022-07-19Use Prolog string buffer marks.John Ankarström
Speaking of unclear documentation, it is not obvious whether it is necessary for programs calling into Prolog to manually mark and release strings. I suppose that it should be, if the same logic that applies to terms apply to strings. On the other hand, the stack in which the strings are stored belongs to Prolog, and there is nothing that would prevent Prolog from cleaning up the strings when called at a later time. I am not sure. But better safe than sorry, I guess. The Mark class acts like the Frame class. The constructor and destructor are equivalent to the PL_STRINGS_MARK and PL_STRINGS_RELEASE macros. Unlike for 34c3280, I did not notice any differences in memory usage after this change. Perhaps that is because it has no effect; perhaps it is because Prolog's stack is very big.
2022-07-18Fix typo.John Ankarström
2022-07-17Make ListView hWnd public.John Ankarström
A getter offers encapsulation, but it is also less transparent in a sense. Thinking of ListView as a struct, it is natural to expose hWnd as a public member variable.
2022-07-17Update type names and variable prefixes.John Ankarström
2022-07-17Add const to pointers, update spacing.John Ankarström
It seems that "right-spaced" pointers are more widely used among C++ programmers.
2022-07-17Add const to places.John Ankarström
Note that I did NOT add const to non-pointer/non-reference arguments in function declarations (without a following definition), as they do not mean anything there.
2022-07-17Use SWI-Prolog's wide-character functions.John Ankarström
This avoids the use of TsmFromSz.
2022-07-16Formatting.John Ankarström
2022-07-16Rewrite TszFromSz as TsmFromSz.John Ankarström
I.e. using std::basic_string<TCHAR> instead of TCHAR *. This removes all unmanaged frees.
2022-07-16Add m_hWndParent to ListView.John Ankarström
This avoids g_hWnd.
2022-07-15Split defs.h into separate header files.John Ankarström
This is feasible now that the makedeps script exists to automatically manage build dependencies (see 6034fe2, d00f8b3).
2022-07-15Reimplement Pl with variadic templatesJohn Ankarström
This is a bit safer and about as complex.
2022-07-15Change declaration style.John Ankarström
2022-07-14Minor formal changes.John Ankarström
Height(DLVSIKEY) was incorrect. The argument to Height is supposed to be a boolean value, in this case false. It happened to work because DLVSIKEY is 0 (because Key is the 0th column in the data list view).
2022-07-14Initialize global variables in the right place.John Ankarström
The rules for what messages are sent at window creation -- and in which order -- are neither intuitive or clear. WM_CREATE can NOT be relied upon to initialize global state required by handlers of other messages (such as WM_GETMINMAXINFO, which seems to be sent before WM_CREATE). Thus, the better solution is to initialize everything using a CBT hook before the window procedure is even run. Because CBTProc creates (child): windows of its own, though, one must be careful to only run the initialization once, which is done by checking g_hWnd.
2022-07-11Improve ElvSort.John Ankarström
2022-07-11Refactor, adjust minimum window size.John Ankarström
2022-07-10Convert to C++.John Ankarström
I already hit upon some object-oriented programming patterns in *listview.c, so I felt that it would be natural to use this as an opportunity to learn C++.
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