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[client] imgui: convert help overlay to use imgui

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This commit is contained in:
Quantum
2021-07-23 02:36:21 -04:00
committed by Geoffrey McRae
parent 436986d182
commit 036f16b9ef
8 changed files with 152 additions and 59 deletions
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54
client/src/app.c
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@@ -429,7 +429,6 @@ void app_handleRenderEvent(const uint64_t timeUs)
if (g_state.escapeHelp)
{
g_state.escapeHelp = false;
app_showHelp(false);
}
}
else
@@ -437,7 +436,6 @@ void app_handleRenderEvent(const uint64_t timeUs)
if (!g_state.escapeHelp && timeUs - g_state.escapeTime > g_params.helpMenuDelayUs)
{
g_state.escapeHelp = true;
app_showHelp(true);
}
}
}
@@ -562,58 +560,6 @@ void app_releaseAllKeybinds(void)
}
}
static char * build_help_str()
{
size_t size = 50;
size_t offset = 0;
char * buffer = malloc(size);
if (!buffer)
return NULL;
const char * escapeName = xfree86_to_display[g_params.escapeKey];
offset += snprintf(buffer, size, "%s %-10s Toggle capture mode\n", escapeName, "");
if (offset >= size)
{
DEBUG_ERROR("Help string somehow overflowed. This should be impossible.");
return NULL;
}
for (int i = 0; i < KEY_MAX; ++i)
{
if (g_state.keyDescription[i])
{
const char * keyName = xfree86_to_display[i];
const char * desc = g_state.keyDescription[i];
int needed = snprintf(buffer + offset, size - offset, "%s+%-10s %s\n", escapeName, keyName, desc);
if (offset + needed < size)
offset += needed;
else
{
size = size * 2 + needed;
void * new = realloc(buffer, size);
if (!new) {
free(buffer);
DEBUG_ERROR("Out of memory when constructing help text");
return NULL;
}
buffer = new;
offset += snprintf(buffer + offset, size - offset, "%s+%-10s %s\n", escapeName, keyName, desc);
}
}
}
return buffer;
}
void app_showHelp(bool show)
{
char * help = show ? build_help_str() : NULL;
g_state.lgr->on_help(g_state.lgrData, help);
free(help);
}
GraphHandle app_registerGraph(const char * name, RingBuffer buffer)
{
return overlayGraph_register(name, buffer);