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Improve usage of std::map objects in fl_wayland_clipboard_dnd.cxx

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ManoloFLTK
2026-01-28 16:21:22 +01:00
parent d74b342141
commit 149bc2ca3b
1 changed files with 14 additions and 14 deletions
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28
src/drivers/Wayland/fl_wayland_clipboard_dnd.cxx
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@@ -280,10 +280,14 @@ int Fl_Wayland_Screen_Driver::dnd(int use_selection) {
}
struct compare_utf8 { // used as key_comp member of following map objects
bool operator()(const char *a, const char *b) const { return strcmp(a, b) < 0; }
};
// map: for each clipboard mime-type FLTK has interest in, give FLTK clipboard type and priority.
// A mime-type with higher priority for same FLTK clipboard type is preferred.
typedef struct two_field_struct_ { const char *fltk_type; int priority; } type_prio_struct;
static std::map<const char *, type_prio_struct> clipboard_mimetypes_map = {
typedef struct { const char * const fltk_type; int priority; } type_prio_struct;
static std::map<const char * const, type_prio_struct, compare_utf8> clipboard_mimetypes_map {
// mime-type FLTK-clipboard-type priority
{"image/png", {Fl::clipboard_image, 1} },
{"image/bmp", {Fl::clipboard_image, 2} },
@@ -294,8 +298,8 @@ static std::map<const char *, type_prio_struct> clipboard_mimetypes_map = {
};
// map: for each FLTK-clipboard-type, give current preferred mime-type and priority
typedef struct mime_prio_struct_ { const char *mime_type; int priority; } mime_prio_struct;
static std::map<const char *, mime_prio_struct> clipboard_kinds_map = {
typedef struct { const char *mime_type; int priority; } mime_prio_struct;
static std::map<const char * const, mime_prio_struct, compare_utf8> clipboard_kinds_map {
// FLTK-clipboard-type current mime-type current highest priority
{Fl::clipboard_image, {NULL, 0} },
{Fl::clipboard_plain_text, {NULL, 0} },
@@ -306,15 +310,11 @@ static void data_offer_handle_offer(void *data, struct wl_data_offer *offer,
const char *mime_type) {
// runs when app becomes active once for each offered clipboard type
//fprintf(stderr, "Clipboard offer=%p supports MIME type: %s\n", offer, mime_type);
std::map<const char*, type_prio_struct>::iterator iter_mime = clipboard_mimetypes_map.begin();
while (strcmp(iter_mime->first, mime_type)) {
iter_mime++;
if (iter_mime == clipboard_mimetypes_map.end()) return; // FLTK doesn't handle this mime_type
}
std::map<const char*, mime_prio_struct>::iterator iter_kind = clipboard_kinds_map.begin();
while (strcmp(iter_kind->first, iter_mime->second.fltk_type)) {
iter_kind++;
}
std::map<const char*const, type_prio_struct, compare_utf8>::iterator iter_mime =
clipboard_mimetypes_map.find(mime_type);
if (iter_mime == clipboard_mimetypes_map.end()) return; // FLTK doesn't handle this mime_type
std::map<const char*const, mime_prio_struct, compare_utf8>::iterator iter_kind =
clipboard_kinds_map.find(iter_mime->second.fltk_type);
if (iter_mime->second.priority > iter_kind->second.priority) { // found mime-type with higher priority
iter_kind->second.priority = iter_mime->second.priority;
iter_kind->second.mime_type = iter_mime->first;
@@ -362,7 +362,7 @@ static void data_device_handle_data_offer(void *data, struct wl_data_device *dat
fl_selection_type[1] = NULL;
wl_data_offer_add_listener(offer, &data_offer_listener, NULL);
// reset current best mime-type and priority
std::map<const char*, mime_prio_struct>::iterator iter = clipboard_kinds_map.begin();
std::map<const char*const, mime_prio_struct, compare_utf8>::iterator iter = clipboard_kinds_map.begin();
while (iter != clipboard_kinds_map.end()) {
iter->second.mime_type = NULL;
iter->second.priority = 0;