mirror of
https://github.com/edeproject/ede.git
synced 2023-08-10 21:13:03 +03:00
Finished manager part of XSETTINGS. Left to be done is to implement the same for the clients ;)
This commit is contained in:
Sanel Zukan
parent
04a87a7f7c
commit
762ad9883d
@ -454,6 +454,16 @@ do_it:
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edelib::alert(_("Unable to load XSETTINGS manager properly"));
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stop_xsettings_manager();
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}
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if(!xsm) return;
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/* testing code
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* FIXME: move this to outside client
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*/
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xsm->set_int("Net/DoubleClickTime", 234);
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xsm->set_color("Net/Background/Normal", 34, 45, 23, 0);
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xsm->set_string("Net/UserName", "John Foo");
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xsm->notify();
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}
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void EvokeService::stop_xsettings_manager(void) {
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261
evoke/Xsm.cpp
261
evoke/Xsm.cpp
@ -11,17 +11,36 @@
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*/
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#include "Xsm.h"
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#include <edelib/Debug.h>
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#include <edelib/List.h>
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#include <FL/x.h>
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#include <stdio.h> // snprintf
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#include <X11/Xmd.h> // CARD16, CARD32
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#include <stdio.h> // snprintf
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#include <stdlib.h> // free
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#include <string.h> // strdup, strcmp
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#define XSETTINGS_PAD(n, p) ((n + p - 1) & (~(p - 1)))
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typedef edelib::list<XsettingsSetting*> XsettingsList;
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typedef edelib::list<XsettingsSetting*>::iterator XsettingsListIter;
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struct XsmData {
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Window window;
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Atom manager_atom;
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Atom selection_atom;
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Atom xsettings_atom;
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unsigned long serial;
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XsettingsList list;
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};
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struct XsettingsBuffer {
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unsigned char* content;
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unsigned char* pos;
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int len;
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};
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struct XsettingsColor {
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@ -38,7 +57,7 @@ struct XsettingsSetting {
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XsettingsColor v_color;
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} data;
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unsigned long last_changed_serial;
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unsigned long last_change_serial;
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};
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struct TimeStampInfo {
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@ -75,12 +94,121 @@ Time get_server_time(Display* dpy, Window win) {
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return xev.xproperty.time;
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}
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char settings_byte_order(void) {
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CARD32 myint = 0x01020304;
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return (*(char*)&myint == 1) ? MSBFirst : LSBFirst;
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}
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bool settings_equal(const XsettingsSetting* s1, const XsettingsSetting* s2) {
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EASSERT(s1 != NULL && s2 != NULL);
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if(s1->type != s2->type)
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return false;
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if(strcmp(s1->name, s2->name) != 0)
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return false;
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switch(s1->type) {
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case XS_TYPE_INT:
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return s1->data.v_int == s2->data.v_int;
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case XS_TYPE_COLOR:
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return (s1->data.v_color.red == s2->data.v_color.red) &&
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(s1->data.v_color.green == s2->data.v_color.green) &&
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(s1->data.v_color.blue == s2->data.v_color.blue) &&
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(s1->data.v_color.alpha == s2->data.v_color.alpha);
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case XS_TYPE_STRING:
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return (strcmp(s1->data.v_string, s2->data.v_string) == 0);
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}
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return false;
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}
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int setting_len(const XsettingsSetting* setting) {
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int len = 8; // type + pad + name-len + last-change-serial
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len += XSETTINGS_PAD(strlen(setting->name), 4);
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switch(setting->type) {
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case XS_TYPE_INT:
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len += 4;
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break;
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case XS_TYPE_COLOR:
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len += 8;
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break;
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case XS_TYPE_STRING:
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len += 4 + XSETTINGS_PAD(strlen(setting->data.v_string), 4);
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break;
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}
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return len;
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}
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void setting_store(const XsettingsSetting* setting, XsettingsBuffer* buffer) {
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int len, str_len;
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*(buffer->pos++) = setting->type;
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*(buffer->pos++) = 0;
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str_len = strlen(setting->name);
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*(CARD16*)(buffer->pos) = str_len;
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buffer->pos += 2;
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len = XSETTINGS_PAD(str_len, 4);
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memcpy(buffer->pos, setting->name, str_len);
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len -= str_len;
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buffer->pos += str_len;
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for(; len > 0; len--)
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*(buffer->pos++) = 0;
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*(CARD32*)(buffer->pos) = setting->last_change_serial;
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buffer->pos += 4;
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switch(setting->type) {
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case XS_TYPE_INT:
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*(CARD32*)(buffer->pos) = setting->data.v_int;
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buffer->pos += 4;
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break;
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case XS_TYPE_COLOR:
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*(CARD16*)(buffer->pos) = setting->data.v_color.red;
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*(CARD16*)(buffer->pos + 2) = setting->data.v_color.green;
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*(CARD16*)(buffer->pos + 4) = setting->data.v_color.blue;
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*(CARD16*)(buffer->pos + 6) = setting->data.v_color.alpha;
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buffer->pos += 8;
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break;
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case XS_TYPE_STRING:
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str_len = strlen(setting->data.v_string);
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*(CARD32*)(buffer->pos) = str_len;
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buffer->pos += 4;
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len = XSETTINGS_PAD(str_len, 4);
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memcpy(buffer->pos, setting->data.v_string, str_len);
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len -= str_len;
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buffer->pos += str_len;
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for(; len > 0; len--)
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*(buffer->pos++) = 0;
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break;
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}
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}
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Xsm::Xsm() : data(NULL) { }
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Xsm::~Xsm() {
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if(data) {
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XDestroyWindow(fl_display, data->window);
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XsettingsList& lst = data->list;
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if(!lst.empty()) {
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XsettingsListIter it = lst.begin(), it_end = lst.end();
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for(; it != it_end; ++it)
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delete_setting(*it);
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lst.clear();
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}
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delete data;
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}
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@ -151,3 +279,130 @@ bool Xsm::should_quit(const XEvent* xev) {
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return false;
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}
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void Xsm::set_setting(const XsettingsSetting* setting) {
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EASSERT(data != NULL);
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XsettingsList& lst = data->list;
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XsettingsListIter it = lst.begin(), it_end = lst.end();
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/*
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* Check if entry already exists. If setting with the same
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* name already exists, but with different values, that setting
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* will be completely replaced with new one.
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*/
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for(; it != it_end; ++it) {
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if(strcmp((*it)->name, setting->name) == 0) {
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if(settings_equal((*it), setting)) {
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return;
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} else {
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delete_setting(*it);
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lst.erase(it);
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break;
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}
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}
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}
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XsettingsSetting* new_setting = new XsettingsSetting;
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new_setting->name = strdup(setting->name);
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//new_setting->last_change_serial = setting->last_change_serial;
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new_setting->type = setting->type;
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switch(new_setting->type) {
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case XS_TYPE_INT:
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new_setting->data.v_int = setting->data.v_int;
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break;
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case XS_TYPE_COLOR:
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new_setting->data.v_color.red = setting->data.v_color.red;
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new_setting->data.v_color.green = setting->data.v_color.green;
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new_setting->data.v_color.blue = setting->data.v_color.blue;
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new_setting->data.v_color.alpha = setting->data.v_color.alpha;
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break;
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case XS_TYPE_STRING:
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new_setting->data.v_string = strdup(setting->data.v_string);
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break;
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}
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new_setting->last_change_serial = data->serial;
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lst.push_back(new_setting);
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}
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void Xsm::delete_setting(XsettingsSetting* setting) {
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if(!setting)
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return;
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if(setting->type == XS_TYPE_STRING)
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free(setting->data.v_string);
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free(setting->name);
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delete setting;
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setting = NULL;
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}
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void Xsm::set_int(const char* name, int val) {
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XsettingsSetting setting;
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setting.name = (char*)name;
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setting.type = XS_TYPE_INT;
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setting.data.v_int = val;
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set_setting(&setting);
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}
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void Xsm::set_color(const char* name, unsigned char red, unsigned char green, unsigned char blue, unsigned char alpha) {
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XsettingsSetting setting;
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setting.name = (char*)name;
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setting.type = XS_TYPE_COLOR;
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setting.data.v_color.red = red;
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setting.data.v_color.green = green;
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setting.data.v_color.blue = blue;
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setting.data.v_color.alpha = alpha;
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set_setting(&setting);
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}
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void Xsm::set_string(const char* name, const char* str) {
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XsettingsSetting setting;
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setting.name = (char*)name;
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setting.type = XS_TYPE_STRING;
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setting.data.v_string = (char*)str;
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set_setting(&setting);
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}
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void Xsm::notify(void) {
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EASSERT(data != NULL);
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int n_settings = 0;
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XsettingsBuffer buff;
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buff.len = 12; // byte-order + pad + SERIAL + N_SETTINGS
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XsettingsList& lst = data->list;
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XsettingsListIter it = lst.begin(), it_end = lst.end();
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for(; it != it_end; ++it) {
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buff.len += setting_len(*it);
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n_settings++;
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}
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buff.content = new unsigned char[buff.len];
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buff.pos = buff.content;
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*buff.pos = settings_byte_order();
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buff.pos += 4;
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*(CARD32*)buff.pos = data->serial++;
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buff.pos += 4;
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*(CARD32*)buff.pos = n_settings;
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buff.pos += 4;
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for(it = lst.begin(); it != it_end; ++it)
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setting_store(*it, &buff);
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XChangeProperty(fl_display, data->window, data->xsettings_atom, data->xsettings_atom,
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8, PropModeReplace, buff.content, buff.len);
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delete [] buff.content;
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}
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25
evoke/Xsm.h
25
evoke/Xsm.h
@ -29,18 +29,25 @@
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* Author of referent implementation is Owen Taylor.
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*/
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enum XsettingsType {
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XS_TYPE_INT = 0,
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XS_TYPE_COLOR,
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XS_TYPE_STRING
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};
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struct XsmData;
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struct XsettingsSetting;
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struct XsettingsBuffer;
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/*
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* Enum order must be exact on client side too, since via these values
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* client will try to decode settings.
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*/
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enum XsettingsType {
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XS_TYPE_INT = 0,
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XS_TYPE_STRING,
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XS_TYPE_COLOR
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};
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class Xsm {
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private:
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XsmData* data;
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void set_setting(const XsettingsSetting* setting);
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void delete_setting(XsettingsSetting* setting);
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public:
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Xsm();
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@ -48,6 +55,12 @@ class Xsm {
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bool is_running(void);
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bool init(void);
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bool should_quit(const XEvent* xev);
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void set_int(const char* name, int val);
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void set_color(const char* name,
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unsigned char red, unsigned char green, unsigned char blue, unsigned char alpha);
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void set_string(const char* name, const char* str);
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void notify(void);
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};
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#endif
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